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I HAVE CODE B1071 INTERNAL SDM FAILURE - Chevy Chevrolet Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: hi i have code 163

SDM STANDS FOR SENSING AND DIAGNOSTIC MODULE. IT IS PART OF THE AIR BAG SYSTEM. IT IS UNDER THE CARPET ON THE PASSENGER SIDE FRONT SEAT.

AS FOR YOUR CODE I CAN'T FIND IT IN THE CODE LISTINGS I HAVE. I NEED THE FULL CODE B0--- TO TRY TO HELP YOU BETTER.

MOST OF THE TIME THAT MODULE IS NOT AT FAULT IT A DISCRIMINATING SENSOR AT THE FRONT OF THE VEHICLE. I'M NOT SAYING THAT ITS NOT A PROBLEM BUT SOMETHING TO BE AWARE OF. CHECK THE WIRING TO THE DISCRIMINATING SENSORS AND THE CONNECTORS ITS EASY ENOUGH TO DO.

Posted on Jun 13, 2009

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Pass. floor panel flooded, SRS module damaged. Purchased air bags, clock spring, harness and module from undamaged Impala.


You can't just replace parts like that .
DTC B1001 Option Configuration Error
When the ignition is turned ON, the inflatable restraint sensing and diagnostic module (SDM) compares the restraints ID that is stored in the SDM to the restraints ID that is stored in the body control module (BCM). The restraints ID that is being compared contains the last four digits of the SDM part number. Then, the SDM compares the VIN that is stored in the SDM to the VIN that is stored in the BCM. For more detailed information concerning the class 2 data lines, refer to Data Link Communications Description and Operation in Computer/Integrating Systems.
If the SDM is replaced you must setup the new SDM part number in the BCM. With a scan tool, select the SIR module setup. Select Setup SDM Part Number in BCM and follow the on-screen instructions. After, you must setup the new SDM. Select Setup New SDM and follow the on-screen instructions.

Oct 13, 2016 | Cars & Trucks

1 Answer

2009 Chevy Impala LT code b001b What to do with this?


Code B001b is for Sensing Diagnostic Module (SDM) for Air bag.

Potential Causes:-
  • Drivers Seat Belt Anchor Pretensioner
  • Passengers Seat Belt Anchor Pretensioner
  • Sensing Diagnostic Module (SDM)
  • Sensing Diagnostic Module (SDM) Wiring
1. Confirm the passenger seat belt anchor pre tensioner connector position assurance is clicked into place.

2. If not, click it in and retest.

3. If the codes reset, disable the Supplemental Inflatable Restraint (SIR) system.

4. Substitute a 2.0 to 2.2 ohm resistor for the passenger seat belt anchor pretensioner. Refer to Tech Tips for a load tool.

5. Retest for the code to reset.

6. If the code resets, check for harness problems between the seat belt anchor pretensioner and the Sensing Diagnostic Module (SDM).
Tech Tips: At the beginning of the 2009 model year, the Impala began being equipped with two pre tensioners for the driver and two pre tensioners for the front passenger. The first pretensioner is still attached to the seatbelt retractor. The second pretensioner is attached to the anchor point for the seat belt.
A load tool can be fashioned from an 1157 light bulb and socket. Turn the bulb into the socket. Using an ohmmeter, determine which 2 wires have 2 - 3 ohms of resistance. Use those 2 wires as the load tool.

Mar 30, 2015 | 2009 Chevrolet Chevrolet Impala LT

1 Answer

Reset airbag light


Hey Earl, what's going on ? The air bag module is usually under the passenger seat or the center console ! The only way to turn off the light is with a up grade scan tool , not code reader. An the light is on for a reason , problem with the system ! If you don't know about this don't mess with it , you could deploy an air bag !
The AIR BAG indicator, located on the instrument panel cluster (IPC) is used to notify the driver of SIR system malfunctions and to verify that the SDM is communicating with the IPC. When the ignition is turned ON, the SDM is supplied with ignition 1 voltage and requests the IPC to flash the AIR BAG indicator 7 times. While flashing the indicator, the SDM conducts test on all SIR system components and circuits. If no malfunctions are detected the SDM will communicate with the IPC through the class 2 serial data circuit and request the IPC to turn the AIR BAG indicator OFF. The SDM provides continuous monitoring of the air bag circuits by conducting a sequence of checks. If a malfunction is detected the SDM will store a diagnostic trouble code (DTC) and request the IPC to turn the AIR BAG indicator ON. The presence of a SIR system malfunction could result in non-deployment of the air bags. The AIR BAG indicator will remain ON until the malfunction has been repaired.

Feb 06, 2015 | 2005 Chevrolet Tahoe

1 Answer

What does error codes: B0100 and B0140 indicate wrong on a 2011 Buick LaCrosse CXL 3.6 V6 eng.?


B0100:
Perform trouble checking for the following: the front end sensor, the SDM module, the SDM wiring harness connector. Damage to the following parts needs replacement or repair. For the DTC B0100, detach the front end sensor1 connector and also detach the SDM connector. Perform trouble checking of the signal and voltage circuits between the SDM and the front end sensor for a short to voltage and for a short to ground. Reconnect all the SIR components and if the DTC B0100 is present then the front end sensor1 has to be changed.
B0104
Perform trouble checking for the following: the front end sensor, the SDM module, the SDM wiring harness connector. Damage to the following parts needs replacement or repair. For the DTC B0104, detach the front end sensor1 connector and also detach the SDM connector. Perform trouble checking of the signal and voltage circuits between the SDM and the front end sensor for a short to voltage and for a short to ground. Reconnect all the SIR components and if the DTC B0104 is present then the front end sensor2/right has to be changed.
i could not find anything on the B0140 code so i included the B0104 incase of typo

May 18, 2014 | 2011 Buick LaCrosse CXL

1 Answer

Air bag light fashes, then stays on. how do i fix it


these means Sensing and Diagnostic Module(SDM) shuts off power to the airbag. you need to have a shop with scan tool and the technician needed to retrieve the code from SDM.

Feb 29, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

Code error U1300 scanner


This code pertains to communication from one computer to the next,they all are on a communication circuit (class II) & you have a short to ground somewhere.If a scan tool is able to communicate with the computer(and it is since you got a failure code) this code is intermitten.Get a good volt meter or scan tool & start at the ALDL (where the scanner plugs in).Inspect & check wiring as you keep an eye on the scanner or meter.

DTC Parameters
DTC U1300 will set if the EBTCM, PCM, or SDM detected the Class II circuit in the low state for too long. (Class II circuit shorted to ground) when:
• Condition exists for longer than 4 seconds for EBTCM, 2 seconds for PCM and SDM.
• Ignition is On.

DTC U1300 diagnostic runs continuously with ignition On.

DTC U1300 is a type C DTC.
Diagnostic Aids
If the scan tool can communicate with the EBTCM, PCM or SDM, then the Class II link is not currently shorted to ground.

Inspect the wiring harness for signs of chafing or broken insulation.

Important: The controller name won't be displayed until the scan tool initially received the correct controller ID over the link upon ignition On.

Important: The BCM CANNOT set U1300.

To locate an intermittent problem, use the scan tool to monitor any of the controllers on the Class II link located under DIAGNOSTIC CIRCUIT CHECK - - - CLASS II MESSAGE MONITOR with ignition On, engine Off. INACTIVE will be displayed on all controllers if the link is shorted to ground.


Hope this helps (remember to rate this answer).

Jan 14, 2011 | Chevrolet Impala Cars & Trucks

1 Answer

Air bag light won't go off


It likely is a bad passenger air bag. Did you try switching it back to off on the switch,and unhooking the battery for 5 minutes.

May 30, 2009 | 1997 GMC Sierra

1 Answer

Diagnostic code


SYMPTOM
P0601-PCM INTERNAL CONTROLLER FAILURE

TEST NOTE
This symptom is diagnosed using the test P0600-PCM FAILURE SPI COMMUNICATIONS.

WHEN MONITORED
Ignition key ON.

SET CONDITION
Internal checksum for software failed, does not match calculated value.

POSSIBLE CAUSES
  • PCM internal or SPI

Jan 16, 2009 | 2001 Dodge Stratus

1 Answer

Hi i have code 163 for sdm internal fault can you please advise what sdm stands for


SDM STANDS FOR SENSING AND DIAGNOSTIC MODULE. IT IS PART OF THE AIR BAG SYSTEM. IT IS UNDER THE CARPET ON THE PASSENGER SIDE FRONT SEAT.

AS FOR YOUR CODE I CAN'T FIND IT IN THE CODE LISTINGS I HAVE. I NEED THE FULL CODE B0--- TO TRY TO HELP YOU BETTER.

MOST OF THE TIME THAT MODULE IS NOT AT FAULT IT A DISCRIMINATING SENSOR AT THE FRONT OF THE VEHICLE. I'M NOT SAYING THAT ITS NOT A PROBLEM BUT SOMETHING TO BE AWARE OF. CHECK THE WIRING TO THE DISCRIMINATING SENSORS AND THE CONNECTORS ITS EASY ENOUGH TO DO.

Nov 10, 2008 | 2007 Pontiac GTO

3 Answers

ABS system failure


CODE 71 refers to: The Sensing Diagnostic Module.


The SDM contains a sensing device which converts vehicle velocity change to an electrical signal. The electrical signal generated is processed by the SDM and then compared to a value stored in memory. When the generated signal exceeds the stored value, the SDM will cause current to flow through the air bag assembly deploying the air bags.

I think based on the code and your mechanics ability to locate this easily found data you may want to get a second opinion this is not a item I would want you to try and rectify in the driveway.

Nov 08, 2008 | 2002 Isuzu Axiom

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