Check Engine Light On, DTC P1101, P0068, P0171, P0174 (Reprogram ECM) (09-06-04-032A)
Publication date: 2009-08-06Reference number: 09-06-04-032A
Supersedes refnos: 09-06-04-032
Check Engine Light On, DTC P1101, P0068, P0171, P0174 (Reprogram ECM)
TECHNICAL SERVICE BULLETIN
| Affected Model(s): | 2004-2006 Cadillac SRX, XLR; 2005-2006 Cadillac STS; Equipped with Engine RPO LH2; Please Refer to GMVIS |
| Supercedes: | This bulletin is being revised to change the labor time information. Please discard Corporate Bulletin Number 09-06-04-032 (06 - Engine/Propulsion System) |
Condition
Some customers may comment on an illuminated check engine light shortly after a cold start with no engine performance concerns. Upon inspection, DTC P1101 (Intake Air Flow System Performance) may be set. In some instances, DTCs P0068 (Throttle Body Airflow Performance), P0171 (Fuel Trim System Lean Bank 1) and/or P0174 (Fuel Trim System Lean Bank 2) may eventually set as a result of the DTC P1101.
Correction
Verify the condition. If the diagnostics in SI for the conditions described above do not isolate a fault, reprogram the ECM with the revised calibration that has been developed to address this condition.
Verify that the multiple diagnostic interface (MDI) that is being used is configured to the PC that will be used.
Warranty Information
For vehicles reprogrammed under the 8 year/80,000 mile (130,000 km) emission controller warranty, use:
| Labor Operation | Description | Labor Time |
|---|---|---|
| J6353 | Engine Control Module Engine Reprogramming with SPS | 0.4 hr |