Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2014 Buick Enclave ConvenienceFACTORY OEM SERVICE PROCEDURE
Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| PAL B+ | - | 1 | - | - |
| Left Audio Signal (+) | 2 | 3 | 2 | - |
| Left Audio Signal (-) | 2 | 3 | 2 | - |
| Right Audio Signal (+) | 4 | 5 | 4 | - |
| Right Audio Signal (-) | 4 | 5 | 4 | - |
| 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. |
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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