- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 0 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 58 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 64 days ago
GMC TSB #15663
2016 GMC Acadia
TSB Document:
Affected Component: ELECTRICAL SYSTEM:WIRING
- Summary
- 15663 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO RELOCATE A WIRE CIRCUIT WITHIN THE ONSTAR CONNECTOR ON CERTAIN VEHICLES. THESE VEHICLES LACK A GROUND IN THE MICROPHONE RETURN PATH, WHICH RESULTS IN THE VOICE RECOGNITION BECOMING INOPERABLE WHEN THE VEHICLE IS IN RETAINED ACCESSORY (RAP) OR ACCESSORY POWER MODE. IN ADDITION, THE HANDS-FREE VOICE QUALITY CAN BE DEGRADED. THE ONSTAR FUNCTIONS ARE NOT IMPACTED BY THIS CONDITION.
Click a tab for more information.