LOW OIL PRESSURE
UnclassifiedCooling
What This Code Means
LED display communicates faults; MAP Sensor High input voltage; Engine ECM indicates low oil pressure; Three unsuccessful starting attempts; Low oil pressure; Leaking sensor; Faulty sensor
Possible Causes
- •Undervoltage
- •High battery voltage
- •High engine temperature
- •Low battery voltage
- •Low oil pressure
- •Overcrank safety
- •Overfrequency
- •Overspeed
- •Overvoltage
- •Underfrequency
- •Generated by the engine ECM
- •Low oil level
- •Leaks in the lubrication system
- •Fuel supply issue
- •Spark plug issue
- •Battery issue
- •Loose connections
- •Sensor failure
- •Sensor leak
Suggested Actions
- 1Contact an authorized dealer for service.
- 2Check the engine oil level regularly as recommended in section titled: Scheduled Maintenance.
- 3Check for signs of leaks in the lubrication system.
- 4Check the oil level and add oil if the level is low.
- 5Check the fuel supply, spark plug, and battery.
- 6Check for loose connections.
- 7Replace oil pressure sensor (Part Number GM32919)
- 8Inspect and replace pipe bushing (common hardware adapter)
Related Rehlko Fault Codes
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