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DTC Charts

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
AUDIO CONTROL MODULE (ACM) DTC CHART

DTC Description Action
B1117 Audio Steering Wheel Button Stuck VERIFY that no steering wheel control switches are stuck, and that no steering wheel control switch was pressed during the self-test.
If no concern is found, go to Pinpoint Test F .
B1119 Audio Disc DVD Player Thermal Shutdown The audio control module (ACM) was over temperature. Audio operation will resume after the ACM cools. This is normal operation. CLEAR the DTCs.
B1136 Audio Steering Wheel Switch #2 Circuit Failure Go to Pinpoint Test F .
B1140 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.
B1155 Subwoofer #1 Short to Battery Go to Pinpoint Test D .
B1158 Subwoofer #2 Open Go to Pinpoint Test D .
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 GPS Antenna Connection Open or Short Go to Pinpoint Test N .
B2274 Phone Transceiver Active Circuit Failure DISREGARD the DTC. CLEAR the DTCs.
B2384 Audio Reverse Aid Mute Input Ckt. Failure DISREGARD the DTCs. CLEAR the DTCs.
B2404 Audio Steering Wheel Switch Circuit Fault Go to Pinpoint Test F .
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 Driver-Front Microphone Circuit Failure DISREGARD the DTC. CLEAR the DTCs.
B2656 DVD (Digital Versatile Disk) Error
NOTE: DTC B1342 will also be set.
CLEAR the DTCs. REPEAT the self-test. If DTC B2656 or B1342 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B2913 (Audiophile only) Audio Subwoofer Not Connected Go to Pinpoint Test D .
B2924 (navigation only) Audio Button Stuck Using the hardkey test, VERIFY no ACM buttons are stuck and that no ACM button is pressed during the self-test. CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, INSTALL a new ACM. REFER to Audio Control Module (ACM) . TEST the system for normal operation.
B2965 Audio System Speaker Circuit Fault Go to Pinpoint Test B .
C1992 Vehicle Speed Circuit Failure DISREGARD the DTC. CLEAR The DTCs.
P0812 Reverse Input Circuit DISREGARD the DTC. CLEAR The DTCs.
U0140 Lost Communication With Body Control Module (GEM)
NOTE: If no related concern is currently present, disregard the DTC.
NOTE: Diagnose DTC B1318 (if present) before diagnosing this DTC.
VERIFY the operation of the illumination system and the accessory delay.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module
NOTE: If no related concern is currently present, disregard the DTC.
If the speed sensitive volume does not operate correctly, go to Pinpoint Test G .If the navigation is inaccurate, go to Pinpoint Test Q .
U0159 Lost Communication With Parking Assist Control Module (PAM) DISREGARD the DTC. CLEAR the DTCs.
U0193 Lost Communication With Digital Audio Control Module (SDARS)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test L .
U0196 Lost Communication With Entertainment Control Module - Rear (AUX) DISREGARD the DTC. CLEAR the DTCs.
U0197 Lost Communication With Telephone Control Module DISREGARD the DTC. CLEAR the DTCs.
U0238 Lost Communication With Digital Audio Control Module "D" (DSP) DISREGARD the DTC. CLEAR the DTCs.
U0249 Lost Communication With Entertainment Control Module - Rear "B" (RCU) DISREGARD the DTC. CLEAR the DTCs.
U0255 Lost Communication With Front Controls Interface Module
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test R .
U0256 Lost Communication With Front Display Interface Module
NOTE: If no related concern is currently present, disregard the DTC.
Go to Symptom Chart - Audio System .
U2050 No Application Present REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt REFER to MODULE CONFIGURATION article.
U2473 Unexpected Vehicle Speed (VSS) If the speed sensitive volume does not operate correctly, go to Pinpoint Test G . If the navigation is inaccurate, go to Pinpoint Test Q .
NOTE: While running the satellite audio bezel diagnostic test, DTCs contain the characters "SAT" after the 5-digit DTC.
SATELLITE DIGITAL AUDIO RECEIVER SYSTEM (SDARS) MODULE DTC CHART

DTC Description Action
B1031 SDARS Satellite Antenna Open Go to Pinpoint Test M .
B1032 SDARS Satellite Antenna Short Go to Pinpoint Test M .
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 diagnosis the low battery voltage condition.
B1342 ECU is Faulted CLEAR the DTCs. CARRY OUT the self-test. If DTC B1342 is retrieved again, INSTALL a new satellite digital audio receiver system (SDARS) module. REFER to Satellite Digital Audio Receiver System (SDARS) Module . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION article.
U0184 Lost Communication With Radio (ACM) Go to Pinpoint Test L .
U0196 Lost Communication With Entertainment Control Module - Rear (AUX) DISREGARD the DTC. CLEAR the DTCs.
U0197 Lost Communication With Telephone Control Module DISREGARD the DTC. CLEAR the DTCs.
U0249 Lost Communication With Entertainment Control Module - Rear "B" (RCU) DISREGARD the DTC. CLEAR the DTCs.
U0255 Lost Communication With Front Controls Interface Module Go to Pinpoint Test L .
U0256 Lost Communication With Front Display Interface Module Go to Pinpoint Test L .
U2050 No Application Present REFER to MODULE CONFIGURATION article.
FRONT DISPLAY INTERFACE MODULE (FDIM) DTC CHART

DTC Description Action
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 diagnosis the low battery voltage condition.
B1342 ECU is Faulted CLEAR the DTCs. CARRY OUT the self-test. If DTC B1342 is retrieved again, INSTALL a new front display interface module (FDIM). REFER to Front Display Interface Module (FDIM) . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION article.
U0140 Lost Communication With Body Control Module (GEM)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test J .
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test K .
U0164 Lost Communication With HVAC Control Module (EATC)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test K .
U0184 Lost Communication With Radio (ACM)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test K .
U0193 Lost Communication With Digital Audio Control Module (SDARS)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test K .
U0196 Lost Communication With Entertainment Control Module - Rear (AUX) DISREGARD the DTC. CLEAR the DTCs.
U0197 Lost Communication With Telephone Control Module DISREGARD the DTC. CLEAR the DTCs.
U0238 Lost Communication With Digital Audio Control Module "D" (DSP) DISREGARD the DTC. CLEAR the DTCs.
U0249 Lost Communication With Entertainment Control Module - Rear "B" (RCU) DISREGARD the DTC. CLEAR the DTCs.
U2050 No Application Present REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt REFER to MODULE CONFIGURATION article.
FRONT CONTROLS INTERFACE MODULE (FCIM) DTC CHART

DTC Description Action
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 diagnosis the low battery voltage condition.
B1342 ECU is Faulted CLEAR the DTCs. CARRY OUT the self-test. If DTC B1342 is retrieved again, INSTALL a new front controls interface module (FCIM). REFER to Front Controls Interface Module (FCIM) . TEST the system for normal operation.
B2924 Audio Button Stuck VERIFY no FCIM buttons are stuck and that no FCIM button is pressed during the self-test. CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, INSTALL a new FCIM. REFER to Front Controls Interface Module (FCIM) . TEST the system for normal operation.
U0140 Lost Communication With Body Control Module (GEM)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test I .
U0184 Lost Communication With Radio (ACM)
NOTE: If no related concern is currently present, disregard the DTC.
Go to Pinpoint Test R .
U2050 No Application Present REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt REFER to MODULE CONFIGURATION article.
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