| Subject: | SES Light Due to DTCs P0105, P0106, and/or P0506 - Clean Throttle Body |
| Models: | 2004-2007 Buick Rainier |
| 2002-2007 Chevrolet TrailBlazer |
| 2004-2007 Chevrolet Colorado |
| 2002-2004 Oldsmobile Bravada |
| with any of the following engines: |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
On rare occasions, a SES light may be experienced due to DTCs P0105, P0106, and/or P0506. There may or may not be an idle complaint accompanying the SES light. This may be due to excessive carbon build up in the throttle body.
Recommendation/Instructions:
If the SI diagnostics do not isolate a cause for this concern, clean the throttle body bore and plate for evaluation.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
