Chassis
generic / SAE
C0550
Encoder Position Switch Circuit
The transfer case control module has detected a circuit fault on the encoder position switch — the contact pack reporting which range the encoder motor has reached. A fault disables 4WD shifting until the switch or wiring is repaired.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 50
Possible causes
- Encoder position switch contacts worn high
- Wiring or connector fault medium
- Internal control module fault low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–900 €
- Estimated time: 0.5–3 h
- Component: encoder position switch
- Component: encoder motor
- Component: transfer case module
Sources
References
sae:J2012