SPN 1239 FMI 31
What This Code Means
Exhaust boost temperature (CMR sensor) communication error; Exhaust boost temperature 1 (CMR sensor) communication error; Exhaust temperature before turbocharger 1 critical overtemperature; Exhaust temperature before turbocharger 1 overtemperature warning; Turbine inlet temperature sensor 1 communication error; Turbine inlet temperature sensor 1 internal error; Turbine inlet temperature sensor 1 internal temperature error; Turbine inlet temperature sensor 1 open circuit; Turbine inlet temperature sensor 1 value out of range; Exhaust boost temperature 2 (CMR sensor) communication error; Exhaust temperature before turbocharger 2 critical overtemperature; Exhaust temperature before turbocharger 2 overtemperature warning; Turbine inlet temperature sensor 2 communication error; Turbine inlet temperature sensor 2 internal error; Turbine inlet temperature sensor 2 internal temperature error; Turbine inlet temperature sensor 2 open circuit; Turbine inlet temperature sensor 2 value out of range
Possible Causes
- •Communication error
- •Critical overtemperature
- •Overtemperature warning
- •Internal error
- •Internal temperature error
- •Open circuit
- •Value out of range
- •Short circuit to battery
- •Short circuit to ground
- •Supply voltage out of range
- •Short circuit
- •Leakage
- •Fuel leak
- •Out of range
Related Rehlko Fault Codes
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