P159C
G Sensor Circuit Low Input
P159C is an OBD-II diagnostic trouble code meaning: G Sensor Circuit Low Input. Common causes: g sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Disabling the stabilization system (ESP/ESC)
- Security error message on instrument panel
- Incorrect operation of airbags
- Problems with the stability control system
Causes
- G sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Sensor power problems
- Corroded contacts or damaged wiring
How to Fix
- Check the integrity of the wiring to the sensor
- Check connections and contacts in the sensor connector
- Measure the sensor supply voltage
- Check sensor resistance
- Replace faulty G sensor
- Repair only from an authorized dealer
Related codes
FAQ
What does the P159C code mean?
P159C is an OBD-II diagnostic trouble code that indicates: G Sensor Circuit Low Input
What causes a P159C error code?
The most common causes of P159C include: G sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor power problems.
How do I fix a P159C diagnostic trouble code?
To fix P159C: Check the integrity of the wiring to the sensor. Check connections and contacts in the sensor connector. Measure the sensor supply voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P159C?
Do not drive — repair immediately
How much does it cost to fix P159C?
The estimated repair cost for P159C is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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