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Yellow: Traction Control/Handling Lamp On & Driver Info Center Displays Service Active (Handling) (Repair/Reprogram Abs Module) (01-05-25-004A)

Publication date: 2001-11-01
Reference number: 01-05-25-004A
Supersedes refnos: 01-05-25-004

YELLOW: TRACTION CONTROL/HANDLING LAMP ON & DRIVER INFO CENTER DISPLAYS SERVICE ACTIVE (HANDLING) (REPAIR/REPROGRAM ABS MODULE)

YELLOW: TRACTION CONTROL/HANDLING LAMP ON & DRIVER INFO CENTER DISPLAYS SERVICE ACTIVE (HANDLING) (REPAIR/REPROGRAM ABS MODULE)

TECHNICAL SERVICE BULLETIN

Reference Number(s): 01-05-25-004A, Date of Issue:  November, 2001
CHEVROLET: 2001-2002 Corvette Built Prior to VIN Breakpoint 25106536
SECTION: 05 - Brakes
Superceded Bulletin(s): 01-05-25-004
NOTE: This bulletin is being revised to add an additional model year and revise the text. Please discard Corporate Bulletin Number 01-05-25-004 (Section 05 - Brakes).

CONDITION

Some customers may comment that the "Yellow" message, "Service Traction Active Handling", is illuminated on the Driver Information Center.

The technician may find chassis DTC C1288 - Vehicle Stability Enhancement System (VSES) Steering Wheel Sensor Phase A and B. When this code is set, the VSES is turned off; ABS and TCS remain operational.

CORRECTION

Verify the Techline equipment has been updated with TIS software 12 or newer. If it has not been updated, do so now. This software was broadcast to dealerships on 11/13/01. Disc Number 12 will be mailed November 14, 2001.

  1. Install the scan tool to the vehicle.
  2. Enter the chassis applications.
  3. Select F1: ABS/TCS/VSES.
  4. Select F4: ID Information.
  5. Select F1: Controller Information 2.
    1. If the DE Calibration P/N is not 12220685, it will be necessary to update the ABS module.
    2. If the calibration is already 12220685, refer to the Service Manual, Brakes, Anti-lock Brake System, Diagnostic Information and Procedures, DTC 1288, SI2000 Document ID 670707.
    IMPORTANT: The update cannot be performed until fuse #25 (Body Control Module-Ignition 1, Instrument Panel Control) 10 amp is removed from the instrument panel fuse block which is located on the passenger side of the vehicle (under the instrument panel and under the toe board).

    Without removal of the fuse (prior to requesting information), unsuccessful reprogramming may occur.

  6. Power down the scan tool.
  7. Turn OFF the ignition and remove the key.
  8. Remove fuse #25, (Body Control Module-Ignition 1, Instrument Panel Control) 10 amp.
  9. Using the scan tool, perform the usual SPS reprogramming of the ABS module.
  10. Power down the scan tool.
  11. Turn OFF the ignition and remove the key.
  12. Replace fuse #25, (Body Control Module-Ignition 1, Instrument Panel Control) 10 amp.
  13. Verify the ABS DE Calibration P/N. If it is not P/N 12220685, redo the SPS programming procedure listed above.
  14. Clear the codes from all the modules.

WARRANTY INFORMATION

For vehicles repaired under warranty use:

WARRANTY INFORMATION

Labor Operation Description Labor Time
N8520(1) ABS Module - Reprogram 0.6 hr
(1) This is a unique labor operation to be used only with this bulletin. It will not be published in the Labor Time Guide.
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