Service Engine Soon Light On with DTC P0135 Set (Replace Sensor, Reprogram PCM)
| Subject: | Service Engine Soon Light On, DTC P0135 Set (Replace Sensor, Reprogram PCM) |
| Models: | 2002 Chevrolet Trailblazer |
| 2002 GMC Envoy |
| 2002 Oldsmobile Bravada |
| with 4.2L Engine (VIN S - RPO LL8) |
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
Part Number | Description | Qty |
|---|---|---|
24577273 | Sensor, Oxygen | 1 |
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
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 |
