Subject: | Sound From Right Front Speaker Only |
Models: | 2003-2006 Cadillac Escalade, Escalade ESV, Escalade EXT |
2003-2006 GMC Sierra Denali, Yukon Denali, Yukon Denali XL |
With RPO Y91 |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
After replacing the amplifier on a vehicle equipped with RPO Y91, you may notice that there is only sound playing from the right front speaker.
When an amplifier is replaced on a vehicle equipped with RPO "Y91". The amplifier must be re-calibrated using the Tech 2. When using the Tech 2, select correct model year and build of the vehicle, select body, select amplifier, select special functions, and select re-calibrate.
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.