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· Premium Member
3,053 Posts
If the traction control kicked off there almost has to be a trouble code stored somewhere, not on your paperwork from the dealer? Here's a bulletin, you may want to print this out and take it with you to the dealer next time.

#08-05-22-009C: Intermittently Brake Lights (Stop Lamps) Do Not Function Correctly, Cruise Control Inop, DTCs C0131/C0161/C0277 (Perform Repair Outlined) - (Sep 30, 2010)

Subject: Intermittently Brake Lights (Stop Lamps) Do Not Function Correctly, Extended Travel to Shift Out of Park, Cruise Control Inoperative, DTCs C0131, C0161 or C0277 Set (Perform Repair as Outlined)

Models: 2004-2008 Chevrolet Malibu, Malibu Maxx

2008 Chevrolet Malibu Classic

2008-2011 Chevrolet Malibu

2005-2010 Pontiac G6

2007-2009 Saturn AURA


This bulletin is being revised to update the models. Please discard Corporate Bulletin Number 08-05-22-009B (Section 05 - Brakes).


Some customers may comment that intermittently the brake lights do not function correctly. Other symptoms may include extended pedal travel required to shift out of PARK, cruise control does not function correctly, and DTC C0131, C0161 and/or C0277 may be set.

The most likely cause of this condition is high resistance due to terminal fretting corrosion in the body control module (BCM) C2 or X2 connector (specifically pins 18, 31 and 59).

DO NOT replace the BCM for this condition. Disconnecting the C2 or X2 connector, adding dielectric lubricant and reconnecting the connector per the procedure below will correct the high resistance condition due to terminal fretting corrosion.

Remove the right side front floor console side trim panel to access to the Body Control Module (BCM).
Locate the C2 or X2 connector on the BCM.
Unlatch the connector and disconnect the connector from the BCM.
Apply dielectric lubricant (clear gel), GM P/N 12377900 (in Canada, use P/N 10953529) or equivalent, on all the connector pins (apply with a one-inch nylon bristle brush). This will treat the pins against fretting corrosion.
Reconnect the connector back on the BCM and re-latch. Wipe away any excess lubricant.
Reinstall the right side front floor console side trim panel.
Using the Tech 2®, check that the BPPS ratio is equal to BPPS learned home when the brake pedal is not depressed.
• If they are equal, the brake lamps should be operating correctly and no further steps are necessary.

• If they are not equal, perform the Brake Pedal Position Sensor Calibration procedure in SI to complete the repair.

Verify proper operation of the brake lights. If incorrect, refer to SI and perform normal diagnostics.

· Premium Member
3,053 Posts
We're not talking about a solder connection on the BCM, it's a connector terminal fretting issue. Here's GM's bulletin and their solution, at least for now.

#09-06-03-004D: Intermittent No Crank/No Start, No Module Communication, MIL, Warning Lights, Messages or DTCs Set by Various Control Modules-Diagnosing and Repairing Fretting Corrosion - (Dec 8, 2010)

Subject: Intermittent No Crank/No Start, No Module Communication, MIL, Warning Lights, Vehicle Messages or DTCs Set by Various Control Modules -- Diagnosing and Repairing Fretting Corrosion (Disconnect Affected Connector and Apply Dielectric Lubricant)

Models: 2011 and Prior GM Passenger Cars and Trucks

Attention: This repair can be applied to ANY electrical connection including, but not limited to: lighting, body electrical, in-line connections, powertrain control sensors, etc. DO NOT over apply lubricant to the point where it prevents the full engagement of sealed connectors. A light coating on the terminal surfaces is sufficient to correct the condition.


This bulletin is being revised to update the Attention statement and add the 2011 model year. Please discard Corporate Bulletin Number 09-06-03-004C (Section 06 - Engine/Propulsion System).


Some customers may comment on any of the following conditions:

• An intermittent no crank/no start

• Intermittent malfunction indicator lamp (MIL) illumination

• Intermittent service lamp illumination

• Intermittent service message(s) being displayed

The technician may determine that he is unable to duplicate the intermittent condition.

This condition may be caused by a buildup of nonconductive insulating oxidized debris known as fretting corrosion, occurring between two electrical contact surfaces of the connection or connector. This may be caused by any of the following conditions:

• Vibration

• Thermal cycling

• Poor connection/terminal retention

• Micro motion

• A connector, component or wiring harness not properly secured resulting in movement

On low current signal circuits this condition may cause high resistance, resulting in intermittent connections.

On high current power circuits this condition may cause permanent increases in the resistance and may cause a device to become inoperative.

Representative List of Control Modules and Components
The following is only a representative list of control modules and components that may be affected by this connection or connector condition and DOES NOT include every possible module or component for every vehicle.

• Blower Control Module

• Body Control Module (BCM)

• Communication Interface Module (CIM)

• Cooling Fan Control Module

• Electronic Brake Control Module (EBCM)

• Electronic Brake and Traction Control Module (EBTCM)

• Electronic Suspension Control (ESC) Module

• Engine Control Module (ECM)

• Heating, Ventilation and Air Conditioning (HVAC) Control Module

• HVAC Actuator

• Inflatable Restraint Sensing and Diagnostic Module (SDM)

- Any AIR BAG module

- Seatbelt Lap Anchor Pretensioner

- Seatbelt Retractor Pretensioner

- An SIR system connection or connector condition resulting in the following DTCs being set: B0015, B0016, B0019, B0020, B0022, or B0023

• Powertrain Control Module (PCM)

• Remote Control Door Lock Receiver (RCDLR)

• Transmission Control Module (TCM)

Important: DO NOT replace the control module, wiring or component for the following conditions:

• The condition is intermittent and cannot be duplicated.

• The condition is present and by disconnecting and reconnecting the connector the condition can no longer be duplicated.

Use the following procedure to correct the conditions listed above.

Install a scan tool and perform the Diagnostic System Check - Vehicle. Retrieve and record any existing history or current DTCs from all of the control modules (refer to SI).
⇒ If any DTC(s) are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle to identify the connector(s) of the control module/component which may be causing the condition (refer to SI).

⇒ If DTCs are not set, refer to Symptoms - Vehicle to identify the connector(s) of the control module/component which may be causing the condition (refer to SI).

When identified, use the appropriate DTC Diagnostics, Symptoms, Schematics, Component Connector End Views and Component Locator documents to locate and disconnect the affected harness connector(s) which are causing the condition.
Note: Fretting corrosion looks like little dark smudges on electrical terminals and appear where the actual electrical contact is being made. In less severe cases it may be unable to be seen or identified without the use of a magnifying glass.

Important: DO NOT apply an excessive amount of dielectric lubricant to the connectors as shown, as hydrolock may result when attempting to mate the connectors.

Use ONLY a clean nylon brush that is dedicated to the repair of the conditions in this bulletin.

With a one-inch nylon bristle brush, apply dielectric lubricant to both the module/component side and the harness side of the affected connector(s).
Reconnect the affected connector(s) and wipe away any excess lubricant that may be present.
Attempt to duplicate the condition by using the following information:
- DTC Diagnostic Procedure

- Circuit/System Description

- Conditions for Running the DTC

- Conditions for Setting the DTC

- Diagnostic Aids

- Circuit/System Verification

⇒ If the condition cannot be duplicated, the repair is complete.

⇒ If the condition can be duplicated, then follow the appropriate DTC, Symptom or Circuit/System Testing procedure (refer to SI).
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