C1950
Accelerometer Sensor Circuit Failure
C1950 is an OBD-II diagnostic trouble code meaning: Accelerometer Sensor Circuit Failure. Common causes: open or short circuit in the sensor wiring harness, malfunction of the accelerometer sensor itself.
Symptoms
- Check Engine Light Is On
- Disabling the stability control (ESC)
- Disabling Brake Assist
- Security error message on instrument panel
Causes
- Open or short circuit in the sensor wiring harness
- Malfunction of the accelerometer sensor itself
- Poor contact in sensor connectors
- Damage to the wiring harness (fraying, corrosion)
- Problems with the Security Management Module
How to Fix
- Check the sensor wiring harness for damage.
- Check sensor connectors for corrosion and poor contact.
- Measure resistance and voltage at the sensor
- Check error codes in the security control module
- Replace the accelerometer sensor if necessary
- Clear the error code and check if it reappears
Related codes
FAQ
What does the C1950 code mean?
C1950 is an OBD-II diagnostic trouble code that indicates: Accelerometer Sensor Circuit Failure
What causes a C1950 error code?
The most common causes of C1950 include: Open or short circuit in the sensor wiring harness; Malfunction of the accelerometer sensor itself; Poor contact in sensor connectors; Damage to the wiring harness (fraying, corrosion).
How do I fix a C1950 diagnostic trouble code?
To fix C1950: Check the sensor wiring harness for damage.. Check sensor connectors for corrosion and poor contact.. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1950?
Do not drive — repair immediately
See also: Russian version · NationStat