Gm dtc c0472

Labor: 1.0. To diagnose the C0267 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Gm dtc c0472. Home GMCC0396 04 GMC DTC C0396 04 Make: GMC Code: C0396 04 Definition: Incremental Sensor Open Circuit Description: Ignition ON. System voltage 10.5-18 V. Cause: Voltage on encoder 8 V supply circuit is 1.5-9.0 V and voltage read by low reference circuit less than 0.3 V. Failure Type: System Internal Failure

DTC C0472 or C0473 Circuit Description The steering wheel position sensor is a 0.0 - 5.0 volt device which is used to sense steering wheel position and turning speed.

What are the Possible Causes of the DTC C0262? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Transmission Control Module (TCM) Transmission Control Module (TCM) harness is open or shorted. Transmission Control Module (TCM) circuit poor electrical connection ... In this video we will be going thru a crank no start situation with a U1000 DTC and the Security lamp lit on the instrument cluster. This is a very specific... The automobile fault code u0422 has an estimated repair time of 1.0 hour. The cost of fixing this fault code varies depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour. Therefore, the total cost of fixing the u0422 fault code will be between $75 and $150. These factors, including the repair ...Labor: 1.0. To diagnose the C0267 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.GMCC0475 00 GMC DTC C0475 00 Make: GMC Code: C0475 00 Definition: Electric Steering Motor Circuit Description: Ignition ON. Cause: The PSCM detects an open, or a short to ground on any of the motor phase circuits.The code P0672 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #2 to fail to heat up. The entire circuit must be checked to locate the fault. Note: If a P0670 trouble code is present along with this DTC, carry out P0670 diagnosis before diagnosing this code.

Labor: 1.0. To diagnose the B0081 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.This diagnostic trouble code (DTC) is a generic powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model. ... 2008 Chevy Silverado 2500 Code P0678 Okay so I have a 2008 Chevy Silverado 2500. With a P0678 code …If no trouble is found and the customer has experienced one of the symptoms or the code is a history DTC, the most likely cause is the Passlock wiring, specifically the wires from the Passlock sensor to the BCM, specifically the 48 way wiring harness connector. Open the hood. Disconnect the negative battery cable. GMC DTC C0870 00. Ignition ON. The ignition voltage is greater than 10 volts. The EBCM detects an internal 5 volt supply failure. This sub type is used for failures where the base DTC text string provides the complete description of the failure itself (no Category and no Sub Type information used, e.g. emissions-related DTC (012700 hex): P0127 ... C0472 DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module. Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ...The P0497 code may be triggered due to different reasons. The following are the most common causes of the P0497 code: A clogged EVAP charcoal canister. Blocked fuel tubes. Vacuum leaks. A faulty fuel pressure sensor. Bad EVAP canister vent valve. Damaged or leaked gas cap. An issue with the purge valve.

GMC DTC C0392 08 Make: GMC Code: C0392 08 Definition: Rotational Position Sensor Circuit Signal Invalid Description: Ignition ON. System voltage 10.5-18 V. Cause: The module does not receive a 5-volt reference of 4.8-5.2 volts. The RPS low reference circuit has an open or high resistance causing a low voltage situation.2467 posts · Joined 2006. #1 · Oct 12, 2009. These are the GM specific OBD1 DTC codes: GM common codes for OBD1 (for vehicles made before 1995) 12 System normal. 13 oxygen sensor circuit open. 14 coolant sensor high resistance or shorted. 15 coolant sensor circuit low or open. 16 direct ignition system (DIS) fault in circuit.Jan 2, 2023 · C0472 is low voltage from the steering wheel speed sensor so it wouldn't stop the engine from running that must be a separate problem that you should start a new question for. Here is how to fix the C0472 code in the images below. Aug 25, 2014 · The service 4WD is on. Yes you do have to take it to the dealer, This is a common problem in these trucks. This is caused by a bad encoder sensor in the shifter on the side of the transfer case. The sensor can be replaced with out having to replace the shifter assembly. THe best test is to get the code from the system. The automobile fault code u0422 has an estimated repair time of 1.0 hour. The cost of fixing this fault code varies depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour. Therefore, the total cost of fixing the u0422 fault code will be between $75 and $150. These factors, including the repair ...

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Car fault codes, also known as diagnostic trouble codes (DTCs), are an essential aspect of modern vehicle technology. These codes provide valuable insights into potential issues wi...Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Nadia Hansel, MD, MPH, is the interim director of the Department of Medicine in th...Labor: 1.0. To diagnose the B0081 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Jan 26, 2015 ... Re: dtc codes - Saabnet.com Bulletin Board. ... C0472 - Steering Handwheel Speed Sensor Signal V Low ... GM - Chevrolet - GMC Chassis Codes C1211 ...Detailed repair manual for the 2005 Chevy Truck Silverado 1500 4WD V8-5.3L VIN B. Operation CHARM: ... DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering …

Detailed repair manual for the 2004 GMC Truck Sierra 1500 2WD V8-5.3L VIN T. Operation CHARM : Car repair manuals for everyone. Home >> GMC Truck >> 2004 >> Sierra 1500 2WD V8-5.3L VIN T >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> C Code Charts >> C04721. Use the scan tool to clear the DTC. 2. Start the engine. 3. With the engine running, turn the steering wheel back and forth from lock to lock. Does the DTC reset? -- …With the ignition switch turned On, engine Off, connect a jumper wire between terminals A and C. The "Check Engine" lamp will begin by flashing a DTC 12. DTC 12 = flash, pause, flash, flash. There will be a longer pause and a code 12 will repeat two more times. This code indicates the self-diagnostic system is operating.C0473 - Rear Wheel Steering DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module.Jan 26, 2015 ... Re: dtc codes - Saabnet.com Bulletin Board. ... C0472 - Steering Handwheel Speed Sensor Signal V Low ... GM - Chevrolet - GMC Chassis Codes C1211 ...The antilock brake system (ABS) is controlled by its own computer. When it senses a problem, the ABS module on the dashboard will light up. When the problem is fixed, the module wi...July 12, 2022 by Jason. C0040 is a chassis trouble code that occurs in the GMC Sierra. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Sierra’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues are common with this code. Enter the 5 character trouble codes in the search box and submit the search. 3. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use. 4. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because ... Jan 7, 2023 · The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. You will often find this code together with another code of the specific cylinder the misfire occurred on. If the last digit of the trouble code is not zero, e.g., if the generated code is P0302, the number 2 indicates that cylinder number 2 has a misfire. Detailed repair manual for the 2001 Chevy Truck C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1. Operation CHARM: ... C0472. Circuit Description The steering wheel position/speed sensor is a O to 5 volt device which is used to measure steering wheel position. ... Conditions for Running the DTC Vehicle speed is greater than 80.4 km/h (50 mph) for at ...

GM TechLink write up with AWD info and more. TechLink4WS.pdf. GM TechLink write up with 4WS and more. Sierra.pdf. Security and Remote Start Installation Guide for '88-'03 GM trucks. 08-electrical.pdf. Complete electrical overview for '08 (and '07) 1500 series trucks. GMT900 Steering Wheel Info. Six PDF files with SIR, replacement, & module info.

SOURCE: gmc yukon 2001 dtc code po404. P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). ... DTC C0472 or C0473 DTC C0550 DTC C0558 Read full answer. Dec 04, 2017 • 2003 Cadillac Escalade. 1 helpful. 1 answer. GMC P2135 throttle sensor code.Mar 21, 2024 · How to Read OBD1 Codes at Home. The reading method without a diagnostic tool is to short the circuit of pin A and pin B. The car will then enter the diagnostic mode and flash the “ check engine Light ” several times, and we should count the flashes to figure out the diagnostic codes. How to read the OBD1 codes: 1993 Chevy blazer 1500 have fuel but no spark. Distributor cap and rotor replaced, plugs and wires, ignition coil and ignition cylinder all new within a year. ... TCC solenoid, transmission mechanical fault, ECM”. 81 and 82 is ” Wiring, SS, ECM”. On the previous chart on the other page it did show a 67 and said, “Wiring, SS, ECM”. I ...Connect an OBD2 Scanner and look for related trouble codes. Repair any trouble codes related to the ignition or fuel first. Check the live data to see the front and read the O2 sensor voltage signals. …Connect an OBD2 Scanner and look for related trouble codes. Repair any trouble codes related to the ignition or fuel first. Check the live data to see the front and read the O2 sensor voltage signals. …Steps for reading and clearing codes on GMC vehicles: Accessing the OBD-II Port: Locate the port, usually beneath the dashboard near the steering column, and plug the YOUCANIC scanner into the OBD-II port. Turn the ignition key to the “ON” position without starting the engine to make a connection with the vehicle’s computer.C0110 is a diagnostic trouble code (DTC) related to a vehicle’s pump motor circuit. When this code appears, it indicates that there’s an issue with the pump motor’s system. This system is responsible for generating necessary pressure or motion for optimal operation. If there’s a malfunction in the circuit, it can negatively affect the ...Enter the 5 character trouble codes in the search box and submit the search. 3. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use. 4. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because ...

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1993 Chevy blazer 1500 have fuel but no spark. Distributor cap and rotor replaced, plugs and wires, ignition coil and ignition cylinder all new within a year. ... TCC solenoid, transmission mechanical fault, ECM”. 81 and 82 is ” Wiring, SS, ECM”. On the previous chart on the other page it did show a 67 and said, “Wiring, SS, ECM”. I ...The trouble codes related to the "A" solenoid are codes P0745, P0746, P0747, P0748 and P0749. The code set is based on the specific malfunction that alerts the PCM and illuminates the Check Engine Light. The purpose of the Transmission Pressure Control Solenoids is to control the pressure of the fluid for the proper operation of an automatic ...Two terminals (A and C) of this connector are used to activate the diagnostic trouble code system in the ECM. With the ignition switch turned On, engine Off, connect …C0561 71 is a chassis code for GM vehicles and comes in two forms.C0561-71 indicates that the system has been disabled due to invalid serial data being received, while C0561-72 means the system has been disabled because of an incorrect alive counter. The Chevrolet dtc c0561-71 code specifically relates to the traction control system, with the … GMC Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis ... Select Your GMC's Diagnostic Trouble Code Body Codes. B101D; B1428; B2722; B3105; B3844; Body ... If no trouble is found and the customer has experienced one of the symptoms or the code is a history DTC, the most likely cause is the Passlock wiring, specifically the wires from the Passlock sensor to the BCM, specifically the 48 way wiring harness connector. Open the hood. Disconnect the negative battery cable.The video focuses on the basic Chevrolet specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight int...C0472 - Rear Wheel Steering DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module. ….

GMC DTC C0374 54. Ignition ON. System voltage 10.5-18 V. DTC C0379 is not set. Vehicle speed & gt; 5 kph (3 mph) This DTC sets if one of three components: motor driver inside the TCCM, transfer case clutch, or the shift motor, exceed the thermal model within the software for the module. This sub type is used by the control module to indicate ... Jackson Memorial Hospital. Clark Diagnostic Treatment Center, DTC Room 270. 1080 N.W. 19 Street. Miami, FL 33136.This article will therefore deal with code P0420 as it applies specifically to GM vehicles. OBD II fault code P0420 is a generic trouble code that is defined as “Catalytic converter system, bank 1 – efficiency below threshold” and is set when the PCM (Powertrain Control Module) detects a condition in which the efficiency of the catalytic ...GM’s rear steer fail-safe is controlled by 70 belleville washers and stacked wave disc springs that pulls the rear wheels straight when kicked into 2WS mode. If this is binding it can set erroneous trouble codes leading one to chase phantom electrical issues. ... DTC C0455. DTC C0472 / C0473. DTC C0522. DTC C0527. DTC C0532. DTC C0533. DTC ...2467 posts · Joined 2006. #1 · Oct 12, 2009. These are the GM specific OBD1 DTC codes: GM common codes for OBD1 (for vehicles made before 1995) 12 System normal. 13 oxygen sensor circuit open. 14 coolant sensor high resistance or shorted. 15 coolant sensor circuit low or open. 16 direct ignition system (DIS) fault in circuit.39 posts · Joined 2012. #1 · Mar 8, 2013. I have recently noticed that my check engine light has come in my 2007 duramax. I have a Hypertech tuner, which I used to diagnose the DTC and it reports p0402-exhaust gas recirculation flow excessive detected. I used the hypertech to clear the code and the truck has never acted as anything is wrong ...What are the Possible Causes of the DTC C0262? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Transmission Control Module (TCM) Transmission Control Module (TCM) harness is open or shorted. Transmission Control Module (TCM) circuit poor electrical connection ...C0473 - Rear Wheel Steering DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering control module. Gm dtc c0472, SOURCE: gmc yukon 2001 dtc code po404. P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). ... DTC C0472 or C0473 DTC C0550 DTC C0558 Read full answer. Dec 04, 2017 • 2003 Cadillac Escalade. 1 helpful. 1 answer. GMC P2135 throttle sensor code., DTC C0472 or C0473 DTC C0550 DTC C0558. ... ABS and traction control issues are common on these years of GM (late 90's, early 00's) and can usually be traced to ..., Detailed repair manual for the 2001 Chevy Truck C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1. Operation CHARM: ... C0472. Circuit Description The steering wheel position/speed sensor is a O to 5 volt device which is used to measure steering wheel position. ... Conditions for Running the DTC Vehicle speed is greater than 80.4 km/h (50 mph) for at ..., DTC C0472 Steering Position and Rate of Change Sensor Circuit Low. DTC C0473 Steering Position and Rate of Change Sensor Circuit High. Conditions for Running the DTC. The ignition is ON. Conditions for Setting the DTC. The BCM detects that the analog steering signal circuit is an open, shorted to ground or shorted to voltage., GMC DTC C0870 00. Ignition ON. The ignition voltage is greater than 10 volts. The EBCM detects an internal 5 volt supply failure. This sub type is used for failures where the base DTC text string provides the complete description of the failure itself (no Category and no Sub Type information used, e.g. emissions-related DTC (012700 hex): P0127 ... , 2467 posts · Joined 2006. #1 · Oct 12, 2009. These are the GM specific OBD1 DTC codes: GM common codes for OBD1 (for vehicles made before 1995) 12 System normal. 13 oxygen sensor circuit open. 14 coolant sensor high resistance or shorted. 15 coolant sensor circuit low or open. 16 direct ignition system (DIS) fault in circuit., The P0172 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0172 is set in along with the P0175 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ..., C0472 DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, …, GM provides two separate discounts to the family members and friends of GM employees. To receive the Family First discount, a purchaser must be a family member of a GM employee. Em..., Ford Mode 6 misfire diagnostics and Ford coil on plug (COP) testing tricks included. Tricks include two test lead hook-ups to diagnose how many coils and which cylinder coils are bad, even before the customer knows! Download Now – $15. Get the code B2960 (key code incorrect but valid) and a U1000 code., A registered DTC P0101 on Chevrolet, P0101 code on Nissan, or any vehicle shows underlying several system issues. The causes of these issues include. Defective mass airflow sensor. Dirty MAF sensor. Vacuum leaks. Cracked intake boots. Frayed, burnt, or wiring harness issues on the MAF sensor., 1. Use the scan tool to clear the DTC. 2. Start the engine. 3. With the engine running, turn the steering wheel back and forth from lock to lock. Does the DTC reset? -- …, Code P1467 Information for Specific Makes. P1467 Audi EVAP Canister Purge Solenoid Valve Short Circuit to B+. P1467 BMW Heated Catalyst Comparison Battery Voltages of Power Switches Plausibility. P1467 Buick EVAP Purge Pump Underspeed 📷. P1467 Cadillac EVAP Purge Pump Underspeed 📷., DTC B0174 Output Air Temperature Sensor #1 (Upper; Single or LH) Circuit Range/Performance I. DTC B0179 Output Air Temperature Sensor #2 (Lower; Single or LH) Circuit Range/Performance I. DTC B0184 Solar Load Sensor #1 CKT Range. DTC B0229 Air Flow Control #7 (Recirc) Feedback Circuit Range/Performance I., A leak is detected by monitoring for a decrease in the vacuum level over a given time period. A small leak in the system will cause DTC P0442 to be set. Check for the following conditions: A loose, missing, damaged, or improperly installed fuel cap. Missing or damaged O-rings at EVAP canister fuel vapor and purge line fittings., Oct 25, 2021 ... This 07 GMC was brought in for a problem with the 4x4 system not working. Originally had multiple codes in the Transfer Case Control Module ..., GM is launching its own OnStar Insurance based on telematics and available to drivers of all brands of car. By clicking "TRY IT", I agree to receive newsletters and promotions from..., 2003 Chevrolet Chevy Suburban - 4WD Print DTC Diagnostic Procedure Module(s) B3593 DTC B3593 Rear Wheel Steering Control Module ... C0472 DTC C0472 or C0473 Rear Wheel Steering Control Module, I have a 2003 GMC Yukon XL1500 SLT 5.3LHaving electrical issues: Biggest one being a Dead cluster Lights on door lock fixtures and 4wd control will flicker As well as radio and HVAC control.I have tried replacing ignition switch and switching BCM with used BCM with updated part numberI have high resistance on ground wires going to cluster …, Detailed repair manual for the 2004 Chevy Truck Silverado 2500 4WD V8-6.6L DSL Turbo VIN 2. Operation CHARM: ... C0472 DTC C0472 or C0473 Test 1-11: Test 12-15: Circuit Description The steering wheel position sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs ..., SOURCE: gmc yukon 2001 dtc code po404 P0404 is Exhaust Gas Recirculation range/performance. This is usually due to the EGR valve moving slower then it should (sticking). You can try to clean it (the rod will need to move freely and don't spin the rod, it will damage the valve, just move it up and down) but if it doesn't work out then look for price and availability for a new, For More Info visit us at: http://1aau.to/h/cub/Do you have a check engine on with the code P0496? This code may appear on any vehicle, but it is most common..., Jan 26, 2015 ... Re: dtc codes - Saabnet.com Bulletin Board. ... C0472 - Steering Handwheel Speed Sensor Signal V Low ... GM - Chevrolet - GMC Chassis Codes C1211 ..., Abs sistem code c0265. ABS light on, DTCs set. Some 1999-2004 midsize and full-size GM pickups and SUV's (full list below) may illuminate the ABS light and store DTC C0201 or C0265 in the ABS computer. In addition, code U1041 may set in other modules or you may encounter lost communication between your scanner and the ABS module., Yes, the B1026 code sets when the driver deployment loop is open. What this means is that there is an open in the circuit to the drivers side airbag at the steering wheel. Most of the time the open is due to a failure in the airbag clockspring (aka SIR Coil) located at the top of the steering column below the steering wheel. Dave Nova., CODE LIBRARY. Enter your vehicle’s make and the diagnostic trouble code shown on your diagnostic tool to find out manufacturer specific information about the code being displayed. If you'd like to receive ASE-certified fix advices for your diagnostic trouble code, we encourage you to explore our OBD2 scanners., CONDITIONS FOR SETTING THE DTC The BCM detects that the analog steering signal circuit is open, shorted to ground or shorted to voltage. ACTION TAKEN WHEN THE …, Detailed repair manual for the 2005 Chevy Truck Silverado 1500 4WD V8-5.3L VIN B. Operation CHARM: ... DTC C0472 or C0473 Circuit Description The Steering Wheel Position Sensor (SWPS) provides one analog signal and 3 digital signals. The digital signals, Phase A, Phase B and marker pulse, are direct inputs to the rear wheel steering …, How to Read OBD1 Codes at Home. The reading method without a diagnostic tool is to short the circuit of pin A and pin B. The car will then enter the diagnostic mode and flash the “ check engine Light ” several times, and we should count the flashes to figure out the diagnostic codes. How to read the OBD1 codes:, We would like to show you a description here but the site won’t allow us., Your powertrain control module (PCM) might store a P0472 code if it receives a mismatched signal between the exhaust pressure sensor and the intake manifold pressure or ambient air pressure. This trouble code might have some similarities with a P0471 code. The main difference is that the P0472 code is strictly an electrical fault, while a P0471 ..., To diagnose a P1400 DTC code, a technician would: Scan for codes in the ECM and look at the freeze frame data; Examine the air intake system. Look for signs of damage, modifications, and restrictions in the system. Check the air filter element for dirt or signs of wear and damage. Check the crankcase ventilation system for proper operation., Yes, the B1026 code sets when the driver deployment loop is open. What this means is that there is an open in the circuit to the drivers side airbag at the steering wheel. Most of the time the open is due to a failure in the airbag clockspring (aka SIR Coil) located at the top of the steering column below the steering wheel. Dave Nova.