P0117
ECT Sensor 1 Circuit Low Input
1992-1996 BMW 318is E36 1.8L I4
Moderate SeverityPowertrainGeneric (SAE)
Description
The ECT sensor voltage is lower than expected, indicating very high temperature or short.
Symptoms
- Check Engine Light
- Fans running constantly
- Incorrect high temp reading
Common Causes
- Short to ground
- Faulty sensor
- Damaged wiring
Diagnostic Steps
- Test sensor resistance
- Check for shorts
- Inspect wiring
Repair Notes
Repair short or replace sensor.
Related Codes
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- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0117 on Other Vehicles
Common Questions
What does code P0117 mean on a 1992-1996 BMW 318is E36?
P0117 stands for "ECT Sensor 1 Circuit Low Input". The ECT sensor voltage is lower than expected, indicating very high temperature or short.
What are the symptoms of P0117 on a BMW 318is E36?
Common symptoms of P0117 include: Check Engine Light, Fans running constantly, Incorrect high temp reading.
What causes P0117 on a 1992-1996 BMW 318is E36?
Common causes of P0117 include: Short to ground, Faulty sensor, Damaged wiring.