DTC U1A14-49: CAN Initialisation Failure - Internal electronic failure: Action
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the power and ground connections to the module
- Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the CAN network
- Check and install a new automatic temperature control module as required