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Service Engine Soon Light On With DTC P0135 Set (Replace Sensor, Reprogram Pcm) (03-06-04-034)

Publication date: 2003-06-27
Reference number: 03-06-04-034

SERVICE ENGINE SOON LIGHT ON WITH DTC P0135 SET (REPLACE SENSOR, REPROGRAM PCM)

SERVICE ENGINE SOON LIGHT ON WITH DTC P0135 SET (REPLACE SENSOR, REPROGRAM PCM)

TECHNICAL SERVICE BULLETIN

Reference Number(s): 03-06-04-034, Date of Issue:  June 27, 2003
CHEVROLET: 2002 Trailblazer with 4.2L Engine (VIN S - RPO LL8)
GMC: 2002 Envoy with 4.2L Engine (VIN S - RPO LL8)
OLDSMOBILE: 2002 Bravada with 4.2L Engine (VIN S - RPO LL8)
SECTION: 06 - Engine/Propulsion System

CONDITION

Some customers may comment on the Service Engine Soon (SES) light coming on. Upon investigation, the technician will find diagnostic trouble code (DTC) P0135 set, regarding oxygen sensor performance.

CAUSE

Condition may be due to failure of the oxygen sensor.

CORRECTION

Follow the SI diagnostics to confirm that the oxygen sensor has failed. Replace the oxygen sensor. After replacing the sensor, verify that the vehicle has been programmed with the latest service calibration. If the vehicle does not have the latest service calibration listed in TIS2000 version 2.5 or higher released February 22, 2003, then reprogram the vehicle.

PARTS INFORMATION

PARTS INFORMATION

Part Number Description Qty
24577273 Sensor, Oxygen 1

WARRANTY INFORMATION

For vehicles repaired under warranty, use:

WARRANTY INFORMATION

Labor Operation Description Labor Time
J6372 Sensor, Oxygen (Engine Control) - Replace 0.2 hr
Add: For Reprogramming 0.4 hr
Add: For Diagnostic Time 0.1-0.3 hr