Television Module (TVM): DTCs

TELEVISION MODULE (TVM) DTCs

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 instructions of the workshop information. 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 instructions of the workshop information. 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 information 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 information 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 instructions of the workshop information and in the approved diagnostic system, where available.