Diagnostic Fault Information
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| PAL B+ | - | 1 | - | - |
| Left Audio Signal (+) | 2 | 3 | 2 | - |
| Right Audio Signal (+) | 4 | 5 | 4 | - |
| Audio Common Signal (-) | 6 | 7 | 6 | - |
| PAL Ground | - | 1 | - | - |
| 1. PAL module inoperative. No Communication with PAL or DRR, XM can not be selected from radio. BCM DTC U2172, Radio DTC U0194, LED on PAL does not illuminate. 2. No sound from left speakers when PAL or XM™ is sourced on radio. 3. No sound from left speakers when only PAL is sourced on radio. 4. No sound from right speakers when PAL or XM™ is sourced on radio. 5. No sound from right speakers when only PAL is sourced on radio. 6. No sound from all speakers when PAL or XM™ is sourced on radio. 7. No sound from all speakers when only PAL is sourced on radio. |
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