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DTC: Television Control Module (TVM): DTC's

DTC Description Possible Causes Action
B1A00-16 Control Module - Circuit voltage below threshold
  • Control module circuit voltage below threshold:

    Voltage less than (master control module voltage - 2V) for >10 seconds

  • Battery voltage low
  • Control module circuit High resistance
Check the battery condition and state of charge. Refer to the relevant section of the workshop manual. Check the module power and ground circuits. Refer to the electrical circuit diagrams
B1A00-17 Control Module - Circuit voltage above threshold
  • Control module circuit voltage above threshold
  • Battery voltage high (overcharging)
  • Control module circuit short circuit to power
Check the battery condition and state of charge. Refer to the relevant section of the workshop manual. Check the module power and ground circuits. Refer to the electrical circuit diagrams
B1A00-48 Control Module - Supervision software failure
  • Control module supervision software fault
Where available, configure the module using the approved diagnostic system. Refer to the warranty policy and procedures manual if a module is suspect
B1A00-49 Control Module - Internal electronic failure
  • Control module hardware fault
Renew the module. Refer to the warranty policy and procedures manual and renew the module
B1A56-11 Antenna - Circuit short to ground
  • Antenna circuit short circuit to ground
Refer to the electrical circuit diagrams and check the antenna circuit. Where possible, refer to the guided diagnostic routine for this code on the approved diagnostic system
B1A56-12 Antenna - Circuit short to battery
  • Antenna circuit short circuit to power
Refer to the electrical circuit diagrams and check the antenna circuit. Where possible, refer to the guided diagnostic routine for this code on the approved diagnostic system
B1A56-13 Antenna - Circuit open
  • Antenna circuit high resistance
Refer to the electrical circuit diagrams and check the antenna circuit. Where possible, refer to the guided diagnostic routine for this code on the approved diagnostic system
B1D55-11 Antenna #2 - Circuit short to ground
  • Antenna 2 circuit short circuit to ground
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D55-12 Antenna #2 - Circuit short to battery
  • Antenna 2 circuit short circuit to power
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D55-13 Antenna #2 - Circuit open
  • Antenna 2 circuit High resistance
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D56-11 Antenna #3 Circuit - Circuit short to ground
  • Antenna 3 circuit short circuit to ground
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D56-12 Antenna #3 Circuit - Circuit short to battery
  • Antenna 3 circuit short circuit to power
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D56-13 Antenna #3 Circuit - Circuit open
  • Antenna 3 circuit High resistance
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D57-11 Antenna #4 Circuit - Circuit short to ground
  • Antenna 4 circuit short circuit to ground
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D57-12 Antenna #4 Circuit - Circuit short to battery
  • Antenna 4 circuit short circuit to power
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D57-13 Antenna #4 Circuit - Circuit open
  • Antenna 4 circuit High resistance
Check the antenna and circuits. Refer to the electrical circuit diagrams
B1D58-11 Television Output - Circuit short to ground
  • Television output circuit short circuit to ground
Check the television output circuits. Refer to the electrical circuit diagrams
B1D58-12 Television Output - Circuit short to battery
  • Television output circuit short circuit to power
Check the television output circuits. Refer to the electrical circuit diagrams
B1D58-13 Television Output - Circuit open
  • Television output circuit High resistance
Check the television output circuits. Refer to the electrical circuit diagrams
U1A20-87 Incomplete MOST Ring Reported By TVM - Missing message
  • No signal from the TV module (TVM)
  • Fibre optic ring break condition reported
Carry out the general media orientated system transport (MOST) test. Refer to the Network Communications section of the workshop manual and in the approved diagnostic system, where available