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PAC
AmpPRO
Troubleshooting
Troubleshooting
AP4-CH42 & APSUB-CH42: No Audio, PAC Module Not Working
AmpPRO (AP4 interface): No Power / No Sound / No Remote Out
AP4-CH41 & AP4-CH42: Fader not working in a non-amplified vehicle
AP4-CH41: Rear Parking Sensor Audio Not Working
AP4-FD21: No Bluetooth Audio