2008 Mercury Sable Base, FWDFACTORY OEM SERVICE PROCEDURE

Information And Message DTCS

AUDIO CONTROL MODULE (ACM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
B1117 Audio Steering Wheel Button Stuck VERIFY that no steering wheel control switches are stuck, and that no steering wheel control button was pressed during the self-test.
If no concern is found, go to Pinpoint Test E .
B1119 (Navigation only) Audio Disc DVD Thermal Shutdown
NOTE: This DTC refers to the navigation DVD mechanism, not the DVD entertainment system.
The audio control module (ACM) was over-temperature. Navigation operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs.
B1136 (Navigation only) Audio Steering Wheel Switch #2 Circuit Failure Go to Pinpoint Test E .
B1140 (Navigation only) Map Disk Invalid REMOVE the map DVD and CLEAN it. INSPECT for scratches, fingerprints, or damage, and REPAIR as necessary. VERIFY a valid map DVD is being used. If no concern is found, INSERT a known good map DVD. REPEAT the self-test.
  • If the system operates correctly, the concern was caused by a damaged or invalid map DVD.
  • If DTC B1140 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B1154 Subwoofer #1 Short to Ground Go to Pinpoint Test C .
B1155 Subwoofer #1 Short to Battery Go to Pinpoint Test C .
B1158 Subwoofer #2 Open DISREGARD the DTC. It is not applicable to this vehicle. CLEAR the DTCs.
B1318 Battery Voltage Low CLEAR the DTCs. TEST the charging system. REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
  • If the charging system is OK, the DTC was set by a previous low voltage condition. No concern is found at this time.
  • If the charging system is not OK, REFER to CHARGING SYSTEM - GENERAL INFORMATION article to diagnose the low battery voltage condition.
B1342 ECU is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B2103 Antenna Not Connected Go to Pinpoint Test A .
B2204 (Navigation only) GPS Antenna Connection Open or Short Go to Pinpoint Test L .
B2274 Phone Transceiver Active Circuit Failure DISREGARD the DTC. CLEAR the DTCs.
B2384 Audio Reverse Park Aid Mute Ckt Failure Go to Pinpoint Test D .
B2404 Audio Steering Wheel Switch Circuit Fault Go to Pinpoint Test E .
B2405 Audio Disc CD Player Thermal Shutdown Fault The ACM was over-temperature. Audio operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs.
B2406 Audio Disc CD Player Internal Fault
NOTE: DTC B1342 will also be set.
CLEAR the DTCs. REPEAT the self-test. If DTC B2406 or B1342 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION article.
B2633 (Navigation only) Driver-Front Microphone Circuit Failure Go to Pinpoint Test P .
B2656 DVD (Digital Versatile Disk) Error
NOTE: DTC B1342 will also be set.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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