DTC U201F-31: External Receiver - No signal: Action
- Refer to the appropriate system wiring diagrams and check the RF receiver power and ground circuits for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, check and install a new RF receiver
- Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new keyless vehicle module as required