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Service Engine Soon Lamp Illuminated, False DTCs P0181 and/or P0116 (Reprogram ECM)

Subject:Service Engine Soon Lamp Illuminated, False DTCs P0181 and/or P0116 (Reprogram ECM)

Models:2001-2002 Chevrolet Silverado 2500/3500 Series Pickup Models
2001-2002 GMC Sierra 2500/3500 Series Pickup Models
with 6.6L Duramaxâ„¢ Diesel Engine



Condition

Some customers may comment that the Service Engine Soon (SES) Light is/was on. No abnormal driveability issues are known.

Diagnostic Tips

The technician may find a Current or History DTC P0181 stored in the ECM. After the technician performs the diagnostics in SI and, if no trouble is found, reflash the ECM.

Correction

DO NOT REPLACE THE ECM/PCM.

  1. Re-Program the ECM/PCM following normal SPS procedures (TIS Version 8.0 released July 2002, or newer).
  2. Clear all codes.
  3. Disconnect the Tech 2 and return the vehicle to the customer.

Calibration Information

Electronic calibration files are NOT available from GMSPO.

Calibrations are available from Techline beginning with the TIS 2000 data release of version 8.0, released July, 2002, or newer.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J6355

Re-Program, Engine Control Module

0.4 hr