C1959
Lateral Accelerometer Sensor Circuit Failure
C1959 is an OBD-II diagnostic trouble code meaning: Lateral Accelerometer Sensor Circuit Failure. Common causes: open or short circuit in the sensor circuit, mechanical damage to the lateral acceleration sensor. Estimated repair cost: $56–167.
Symptoms
- SRS/Airbag light is on
- Disabling the passive safety system (restraint)
- Incorrect operation of the side curtains (roof panel) in an emergency situation
Causes
- Open or short circuit in the sensor circuit
- Mechanical damage to the lateral acceleration sensor
- Corrosion or poor contact in connectors
- SRS control unit malfunction
- Damage to the wiring harness (harness)
How to Fix
- Diagnose the SRS system using a scanner
- Visually check the integrity of the wiring harness and connectors
- Check the resistance and voltage in the sensor circuit
- If necessary, replace the lateral acceleration sensor
- Reset SRS memory errors and check system operation
Related codes
FAQ
What does the C1959 code mean?
C1959 is an OBD-II diagnostic trouble code that indicates: Lateral Accelerometer Sensor Circuit Failure
What causes a C1959 error code?
The most common causes of C1959 include: Open or short circuit in the sensor circuit; Mechanical damage to the lateral acceleration sensor; Corrosion or poor contact in connectors; SRS control unit malfunction.
How do I fix a C1959 diagnostic trouble code?
To fix C1959: Diagnose the SRS system using a scanner. Visually check the integrity of the wiring harness and connectors. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1959?
Do not drive — repair immediately
How much does it cost to fix C1959?
The estimated repair cost for C1959 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat