C05FE 4WD/AWD Range Actuator Position Sensor Circuit High
The range actuator position signal lies above the highest value a working sensor produces. Usual explanations are a signal line touching supply voltage, a lost sensor ground that lets the output float up, or an internal sensor fault. In a patent shared by Honda and Denso on a park-by-wire shifter, anything from 4.5 V up counts as faulty and then relies on learned values or end-stop learning to keep limited operation. Magna's transfer case sensor reports position as a duty cycle, where the same fault appears as a ratio pinned near the top. Stellantis bulletin 08-237-23 shows that a loose shift motor connector can upset several position inputs at once. No maker documents C05FE itself; C05FD covers readings that are too low.
Likely causes
Symptoms
- 4WD service message, range shifts disabled
- Range display flashes or shows a wrong range
Repair estimate
Typical range across vehicles; the real cost depends on what the testing finds.
Parts involved
Related codes
References: patents.google.com, patents.google.com, static.nhtsa.gov.