For 1990-2009 cars only
Rough Idle After Cold Start (Reprogram ECM)
| Subject: | Rough Idle after Cold Start (Reprogram ECM) |
| Models: | 2004 Cadillac CTS |
| with 3.6L V-6 Engine (VIN 7 - RPO LY7) |
| Built Prior to VIN Breakpoint 40111046 |
Condition
Some customers may comment on a rough idle after a cold start. The roughness will last for only the first 2 minutes.
Cause
The calibration may not be optimized for cold idle stability.
Correction
Reprogram the ECM with calibration P/N 12588473 or later.
The Calibration listed is an electronic calibration and is NOT available from GMSPO. Calibration will be available from Techline on the TIS 2000 version 10.5 for 2003 data update or later.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
J6354 | Engine Control Module - Reprogram | 0.4 hr |
