LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2012 >> 6 i Touring Plus >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Body Control System Diagnostic Trouble Codes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Body Control System Diagnostic Trouble Codes

BODY CONTROL SYSTEM DIAGNOSTIC TROUBLE CODES

DTC Description Reference
B1D35:11 Short to ground detected in hazard warning switch circuit with the hazard warning switch off. (See DTC B1D35:11 [BCM] .)
B1D36:11 Short to ground detected in turn switch circuit with the turn switch off. (See DTC B1D36:11 [BCM] .)
B10D0:11(1) Short to ground detected in trunk lid opener switch (vehicle exterior) circuit with the ignition switch ON. (See DTC B10D0:11 [BCM] .)
B1048:11 Short to ground in brake fluid level sensor circuit with the brake fluid amount on the upper side of the minimum. (See DTC B1048:11 [BCM] .)
B1079:13(2) Open circuit detected in hood latch switch circuit with the hood closed (hood latch switch on). (See DTC B1079:13 [BCM] .)
B108F:16 The voltage of door lock switch circuit is less than 3.75 V  with the door lock switch off. (See DTC B108F:16 [BCM] .)
B11C0:13 Open circuit detected in rear door latch switch (driver-side) circuit with the rear door (driver-side) closed {rear door latch switch (driver-side) on}. (See DTC B11C0:13 [BCM] .)
B11C1:13 Open circuit detected in rear door latch switch (passenger-side) circuit with the rear door (passenger-side) closed {rear door latch switch (passenger-side) on}. (See DTC B11C1:13 [BCM] .)
B11DA:11 Short to ground detected in front door key cylinder switch (driver-side) circuit with the front door key cylinder switch (driver-side) off. (See DTC B11DA:11 [BCM] .)
B113E:11 Short to ground in trunk lid opener switch (vehicle interior) circuit with the trunk lid opener switch (vehicle interior) off. (See DTC B113E:11 .)
B1172:11(2) Short to ground detected in front door lock-link switch (driver-side) unlock-side circuit with the front door lock-link switch (driver-side) locked. (See DTC B1172:11 .)
B1172:13(2) Open circuit detected in front door lock-link switch (driver-side) unlock-side circuit with the front door lock-link switch (driver-side) unlocked. (See DTC B1172:13 .)
B1174:11(3) Short to ground detected in door lock-link switch circuit with the door lock-link switch locked. (See DTC B1174:11 .)
B1174:13(2) Open circuit detected in door lock-link switch circuit with the door lock-link switch unlocked. (See DTC B1174:13 .)
B1175:13 Open circuit detected in front door latch switch (driver-side) circuit with the front door (driver-side) closed {front door latch switch (driver-side) on}. (See DTC B1175:13 .)
B1176:13 Open circuit detected in front door latch switch (passenger-side) circuit with the front door (passenger-side) closed {front door latch switch (passenger-side) on}. (See DTC B1176:13 .)
B1178:11 Short to ground detected in trunk lid latch switch circuit with the trunk closed (trunk lid latch switch off). (See DTC B1178:11 .)
B126A:11(3) Short to ground detected in front door lock-link switch (driver-side) lock-side circuit with the front door lock-link switch (driver-side) unlocked. (See DTC B126A:11 .)
B126A:13(3) Open circuit detected in front door lock-link switch (driver-side) lock-side circuit with the front door lock-link switch (driver-side) locked. (See DTC B126A:13 .)
C0051:04(4)
  • Z phase is abnormal.
  • Detected steering angle exceeds the specified value.
(See DTC C0051:04 .)
C0051:2F(4) Detected error in a combination of signals from each sensor (A, B, C, D). (See DTC C0051:2F/C0052:11/C0052:13/C0053:11/C0053:13/C0054:11/C0054:13/C0055:11/C0055:13 .)
C0052:11(4) The voltage lower than the specification is detected for 0.1 s  .
C0052:13(4) The voltage higher than the specification is detected for 0.1 s  .
C0053:11(4) The voltage lower than the specification is detected for 0.1 s  .
C0053:13(4) The voltage higher than the specification is detected for 0.1 s  .
C0054:11(4) The voltage lower than the specification is detected for 0.1 s  .
C0054:13(4) The voltage higher than the specification is detected for 0.1 s  .
C0055:11(4) The voltage lower than the specification is detected for 0.1 s  .
C0055:13(4) The voltage higher than the specification is detected for 0.1 s  .
C1137:12 MZR 2.5/ATX 
  • Short to power supply in transaxle range switch circuit with the selector lever in P or N position (transaxle range switch off).

    MZR 2.5/MTX 

  • Short to power supply in back-up light switch circuit with the shift lever in NEUTRAL (back-up light switch off).

    MZI 3.7 V6 

  • Short to power supply in back-up light relay circuit with the selector lever in P or N position.
(See DTC C1137:12 .)
P1536:13 Open circuit detected in parking brake switch circuit with the parking brake lever applied (parking brake switch on). (See DTC P1536:13 .)
U0001:88 CAN system error with BCM. (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] .)
U0100:00 Communication error between PCM and BCM.
U0101:00(5) Communication error between TCM and BCM.
U0151:00 Communication error between SAS control module and BCM.
U0214:00(1) Communication error between keyless control module and BCM.
U0300:00
WARNING:
  • BCM configuration setting not done correctly.
(See DTC U0300:00 .)
U0401:68 Correct data cannot be received from PCM. (See DTC U0401:68 .)
U0402:68(5) Correct data cannot be received from TCM. (See DTC U0402:68 .)
U2100:00
WARNING:
  • BCM configuration setting not done correctly.
(See DTC U2100:00 .)
U3000:04 BCM internal ECU is faulted. (See DTC U3000:04 .)
U3003:16 BCM power supply voltage is low (less than 9 V  ). (See DTC U3003:16/U3003:17 .)
U3003:17 BCM power supply voltage is high (more than 16 V  ).
(1) Vehicles with advanced keyless entry and push button start system 
(2) Vehicles with theft-deterrent system 
(3) Vehicles with theft-deterrent system 
(4) Vehicles with steering angle sensor 
(5) ATX