636 5
UnclassifiedCooling
What This Code Means
Ground error; Common rail pressure sensor issue; Ambient temperature sensor issue; Fuel temperature sensor issue; Oil temperature sensor issue; Crankshaft position sensor issue; Engine Control Unit CAN 2 issue; Camshaft position sensor issue
Possible Causes
- •Ground error
- •Open circuit
- •Open circuit in camshaft position sensor
- •Short circuit
- •Short circuit to battery
- •Short circuit to battery in camshaft position sensor
- •Short circuit to battery or open circuit
- •Short circuit to ground
- •Short circuit to ground or open circuit
- •Supply voltage out of range
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 636 5 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.
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