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Air Bag code B0020 on 2008 Gm Avalache how to repair

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Error code 66


conflicting info
http://www.obd-codes.com/trouble_codes/gm/gm-2-digit-codes.php
66- pressure sensor or circuit air conditioning
http://www.cadillacfaq.com/faq/answers/dtccode.html
DTC 66 - Driver Air Bag Deployment Commanded

Apr 09, 2016 | Cars & Trucks

1 Answer

Where is the air bag location?


If the air bag light is on there is a code stored in the SRS restraint module - air bags ! Wiring problem , impact sensor ! First place to start is have the vehicle check for codes . Not with OBD2 code reader., factory or professional grade scan tool . If you have not worked on air bag systems I recommend you take it to a ASE certified repair shop or the dealer . People have been killed by accidental air bag deployment , by not knowing what's up . Takes special tools !

Dec 28, 2015 | 2000 Pontiac Bonneville

1 Answer

I have a service air bag light on in an 08 GMC Acadia. Husband said that the code is 728941. Can someone help me and tell me what this is?


GM has a recall for that model..you can call any GM dealership with your VIN number it's. A free fix if on list.

Nov 19, 2014 | Cars & Trucks

1 Answer

Get a diagram for car parts


Technically called the air bag SDM module on GM vehicles. Generic industry term for the black box data. Also called crash data recorders or EDR. You might want to look here to get more info
GM Saturn Airbag Air Bag Black Box Deployment EDR Event Data Recorder...

Oct 15, 2014 | 2004 Chevrolet Cavalier

1 Answer

Ford airbag code 54


94+ AIR BAG DIAGNOSTIC TROUBLE CODES/CLEARING
Code Component/Fault Description

No Air Bag Indicator - Inoperative Indicator Circuit
Continuous Air Bag Indicator - Diagnostic Trouble Code Timed Out, Diagnostic Monitor Disconnected or Inoperative, or No Ignition Voltage to Diagnostic Monitor.
12 Lost Battery Feed
13 Air Bag Circuit Shorted to Ground
14 Primary Crash Sensor Circuit Shorted to Ground
21 Diagnostic Monitor Not Mounted to Vehicle Properly
22 Safing Sensor Output Circuit Shorted to Battery Voltage
23 Memory Clear Circuit Improperly Grounded
24 System Disarm Failure or Internal Diagnostic Monitor Fault
32 Driver Side Air Bag Circuit High Resistance or Open
33 Passenger Side Air Bag Circuit High Resistance or Open
34 Driver Side Air Bag Circuit Low Resistance or Shorted
35 Passenger Side Air Bag Circuit Low Resistance or Shorted
41 RH Radiator Primary Crash Sensor Feed/Return Circuit Open
42 LH Radiator Primary Crash Sensor Feed/Return Circuit Open
44 RH Radiator Primary Crash Sensor Not Mounted to Vehicle Properly
45 LH Radiator Primary Crash Sensor Not Mounted to Vehicle Properly
52 Intermittent or Repaired Lost Battery Feed
53 Intermittent or Repaired Air Bag Circuit Shorted to Ground
54 Intermittent or Repaired Primary Crash Sensor Circuit Shorted to Ground
61 Intermittent or Repaired Diagnostic Monitor Not Mounted to Vehicle Properly
62 Intermittent or Repaired Safing Sensor Output Circuit Shorted to Battery Voltage
63 Intermittent or Repaired Memory Clear Circuit Improperly Grounded
64 Intermittent or Repaired System Disarm Failure or Internal Diagnostic Monitor Fault
72 Intermittent or Repaired Driver Side Air Bag Circuit High Resistance or Open
73 Intermittent or Repaired Passenger Side Air Bag Circuit High Resistance or Open
74 Intermittent or Repaired Driver Side Air Bag Circuit Low Resistance or Shorted
75 Intermittent or Repaired Passenger Side Air Bag Circuit Low Resistance or Shorted
81 Intermittent or Repaired RH Radiator Primary Crash Sensor Feed/Return Circuit Open
82 Intermittent or Repaired LH Radiator Primary Crash Sensor Feed/Return Circuit Open
84 Intermittent or Repaired RH Radiator Primary Crash Sensor Not Mounted to Vehicle
85 Intermittent or Repaired LH Radiator Primary Crash Sensor Not Mounted to Vehicle
Rapid Continuous Flashing of Air Bag Indicator (No Diagnostic Trouble Code) Both Primary Crash Sensors Disconnected Assembly Plant Mode

TROUBLE CODE CLEARING

1. Follow the diagnostic procedures to service the fault condition flashing on the air bag indicator prior to code clearing.

2. Cycle the ignition switch to OFF and then to RUN.

3. Observe air bag indicator prove-out (six ? two seconds) followed by diagnostic trouble code (52-85) flashing completely one time.

4. Locate the Diagnostic "Trouble Code Clear" Connector (grey connector). located underneath the glove compartment, left side (06010) containing Circuits 631 (T/R) and 57 (BK).

5. Use a jumper wire to short Circuit 631 (T/R) to Circuit 57 (BK) or to another good ground. This short must be made after the diagnostic trouble code flashes completely one time, but before the warning light stays on continuously.

6. Hold short until air bag diagnostic monitor tone sounds (approximately five seconds).

7. Release short on Circuit 631 (T/R) to Circuit 57 (BK). This short must be released within 25 seconds after the diagnostic monitor tone sounds.

Diagnostic trouble code is now cleared from memory. Next highest priority diagnostic trouble code stored (if one exists) will begin flashing.

The codes and clearing proceedure above are to be used as a guide, NO claims are implied as to the correctness or accuracy of either.

Sep 11, 2013 | Cars & Trucks

1 Answer

2004 Chevy Avalache electrical problem. Truck runs fine, but all of a sudden the ABS brake warning and airbag warning came on. also, the truck will not go into over-drive now. The towing light and switch...


Take it an have it checked for DTC'S - diagnostic trouble codes . With warning light's on DTC'S are set in the ABS control module , the air bag control module ,PCM - engine computer or transmission control module . No guessing here ! Test an check

Sep 28, 2017 | 2004 Chevrolet Avalanche

1 Answer

Pontiac grand am gt '99 horn doesn't work


If you bought the car at a dealership, all saftey related problems should have been repaired before the vehicle is sold, at least thats the law in Canada, If your air bag light is not on, the air bag should work correctly, the air bag module is the center of the steering wheel where the air bag is contained, usually the horn circuit is seprate from this module and is more common for a clock spring contact to cause you issue. The clock spring is the contact point to allow the steering wheel to turn and yet keep contact with all the other steering wheel controls

Jan 13, 2012 | 1999 Pontiac Grand Am GT

1 Answer

The service air bag light just came on how can I fix


hi, it means your car has the obd2 code problem, you need a scan tool to read out and clear the code. when my car has this problem, I use this tool to check the code, and it is helpful, hope help.
but it need to do with the gm tech2. or you can take your car to the repair shop, they will help you read out the code. hope help.

Jul 01, 2011 | 2004 Cadillac Escalade

2 Answers

My air bag light came on today on my 2006 Saturn Ion and has not went off. How do i fix it?


Hello: You will have to know what code is in the system, then you will know what has to be repaired. You may have to have a GM dealer read the SIR system to get the code. I am not sure if a aftermarket code reader will access the SIR system.

Nov 17, 2010 | Saturn Ion Cars & Trucks

1 Answer

Chevy silverado 2006 lights "service air bag"


First of all you need to get this problem fixed ASAP. While the airbag light is illuminated, your SDM (Sensing and Diagnostic Module aka: the brain of your airbag system) shuts of power to the airbags. In which, if you are in an accident your airbags will not deploy while this light is illuminated. You need to take your vehicle to a GM dealership. A Tech 2 scantool is needed to retrieve the code from the SDM. Hopefully it won't be a costly repair, but is something that defineatly needs to be corrected soon. Good luck and hope all works well.

Jul 03, 2009 | 1999 Chevrolet Silverado 1500

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