A/C Blows Warm Air From Vents When Using Remote Start (Reprogram PCM)
| Subject: | A/C Blows Warm Air From Vents When Using Remote Start (Reprogram PCM) |
| Models: | 2005 Pontiac Grand Prix GXP |
| Built Prior to May 26, 2005 |
| Attention: | Use GMVIS to determine vehicle build date. This bulletin only applies to vehicles built prior to May 26, 2005. |
This bulletin is being revised to update the warranty information with a new labor operation number. Please discard Corporate Bulletin Number 05-01-39-005 (Section 01 -- HVAC).
Condition
Some customers may comment that the A/C blows warm air from the vents when using the remote start feature. The A/C system will turn on to the last customer setting before key off after the customer enters the vehicle, inserts the ignition key and turns it to the run position.
Cause
The PCM may not be sending the signal to turn on the A/C compressor during the remote start.
Correction
Technicians are to reprogram the PCM with an updated software calibration. This new service calibration was released with TIS satellite data update version 6.0. As always, make sure your Tech 2® is updated with the latest software version.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
D9716* | PCM -- Reprogram | 0.4 hr |
Add | Diagnosis Time | 0.0-0.3 hr |
* This is a unique labor operation number for bulletin use only. This number will not be published in the Labor Time Guide. | ||
