DTC P0702-06: Transmission Control System Electrical - Algorithm based failures: Action
- Prioritised steps to perform:
- Check battery charge and condition. Record values
- Read all Diagnostic Trouble Code(s) and investigate any Diagnostic Trouble Code(s) relating to battery voltage supply
- Inspect the transmission harness connector(s) for signs of water ingress and pin damage and/or corrosion
- Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - Main ECU Supply Voltage (0xD112)
- Refer to the appropriate system wiring diagrams, check the transmission control module VBATT, ground and IGN circuits for open circuit, high resistance and record voltage values. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the transmission control module with the latest level software
- Clear Diagnostic Trouble Code(s) and retest
- If the fault persists, raise a Technical Assist (TA) for further support