C1245
Acceleration Sensor Output Malfunction
C1245 is an OBD-II diagnostic trouble code meaning: Acceleration Sensor Output Malfunction. Common causes: open or short circuit in acceleration sensor wiring harness, malfunction of the acceleration sensor itself. Estimated repair cost: $56–167.
Symptoms
- The passive safety system fault indicator is on
- Airbags may not deploy in a crash
- The error is stored in the ECU memory
Causes
- Open or short circuit in acceleration sensor wiring harness
- Malfunction of the acceleration sensor itself
- Contact problems or corrosion in connectors
- Malfunction of the electronic control unit (ECU)
How to Fix
- Check the acceleration sensor wiring harness and connectors for damage.
- Check the resistance and voltage at the sensor according to the manufacturer's specifications
- Replace the acceleration sensor if a fault is detected
- Test the system after repair and reset the error
Related codes
FAQ
What does the C1245 code mean?
C1245 is an OBD-II diagnostic trouble code that indicates: Acceleration Sensor Output Malfunction
What causes a C1245 error code?
The most common causes of C1245 include: Open or short circuit in acceleration sensor wiring harness; Malfunction of the acceleration sensor itself; Contact problems or corrosion in connectors; Malfunction of the electronic control unit (ECU).
How do I fix a C1245 diagnostic trouble code?
To fix C1245: Check the acceleration sensor wiring harness and connectors for damage.. Check the resistance and voltage at the sensor according to the manufacturer's specifications. Replace the acceleration sensor if a fault is detected. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1245?
Do not drive — repair immediately
How much does it cost to fix C1245?
The estimated repair cost for C1245 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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