For 1990-2009 cars only
Audio From Left Front Speaker Only - keywords amp amplifier front inoperative nav navigation no radio sound volume
| Subject: | Audio From Left Front Speaker Only |
| Models: | 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT |
| 2007-2008 GMC Sierra Denali, Yukon Denali, Yukon Denali XL |
| With RPO Y91 |
This PI was superseded to update model years. Please discard PIT4163.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
After replacing the amplifier on a vehicle equipped with RPO Y91 you may notice that there is only sound playing from the left front speaker. This may be the result of the amplifier not being SPS programmed.
Recommendation/Instructions:
When an amplifier is replaced on a vehicle equipped with RPO "Y91". The amplifier must be SPS programmed using Tis2Web and the Tech 2.
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.
