DTC P0607-49: Control Module Performance - Internal electronic failure: Action
- Using the manufacturer approved diagnostic system, check datalogger signal - Main ECU Supply Voltage (0xD018). Refer to the appropriate system wiring diagrams and check the rear differential control module power and ground circuits for open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new rear differential control module