ECM-2K
What This Code Means
Low oil pressure; Switch voltage not detected; Intake manifold pressure sensor voltage above normal range; Intake manifold pressure sensor voltage below normal range; Intake manifold temperature sensor voltage above normal range; Sensor resistance high; Open circuit in intake manifold temperature sensor; Intake manifold temperature sensor voltage below normal range; Sensor resistance low; Shorted to ground in intake manifold temperature sensor; Intake manifold temperature above normal operating range for applied load; Engine head temperature sensor voltage above normal range; Open circuit in engine head temperature sensor; Engine head temperature sensor voltage below normal range; Shorted to ground in engine head temperature sensor; Engine head temperature above rated operating range
Possible Causes
- •Low oil level
- •Faulty sensor
- •Wiring harness and connections to harness
- •Faulty TTMAP sensor
- •Leaks in intake manifold at cylinder head and throttle body
- •Shorts in wiring
- •Obstructions in TTMAP
- •Improper installation of TTMAP
- •Opens in wiring
- •Opens or shorts in wiring
Suggested Actions
- 1Check oil level
- 2Check wiring harness and connections to harness
- 3Check intake manifold at cylinder head and throttle body for leaks
- 4Check wiring for shorts
- 5Check TTMAP for obstructions
- 6Check installation of TTMAP
- 7Check wiring for opens
- 8Check wiring for opens or shorts
- 9Check wiring connections
- 10Verify unit has appropriate ventilation
Related Generac Fault Codes
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