C1AA5
Yaw Rate Sensor Power Supply Voltage Circuit
C1AA5 is an OBD-II diagnostic trouble code meaning: Yaw Rate Sensor Power Supply Voltage Circuit. Common causes: open or short circuit in the sensor wiring harness, malfunction of the angular rate sensor. Estimated repair cost: $56–167.
Symptoms
- The ESP/ABS indicator on the dashboard is on
- Unstable operation of the stabilization system
- Loss of control of the vehicle in difficult road conditions
Causes
- Open or short circuit in the sensor wiring harness
- Malfunction of the angular rate sensor
- Problems with the ESP control unit
- Corrosion or poor contact in connectors
How to Fix
- Check the voltage in the sensor power circuit
- Inspect the wiring harness for damage
- Check the sensor and control unit connectors
- Replace the angular rate sensor if necessary
- Test the system after repair
Related codes
FAQ
What does the C1AA5 code mean?
C1AA5 is an OBD-II diagnostic trouble code that indicates: Yaw Rate Sensor Power Supply Voltage Circuit
What causes a C1AA5 error code?
The most common causes of C1AA5 include: Open or short circuit in the sensor wiring harness; Malfunction of the angular rate sensor; Problems with the ESP control unit; Corrosion or poor contact in connectors.
How do I fix a C1AA5 diagnostic trouble code?
To fix C1AA5: Check the voltage in the sensor power circuit. Inspect the wiring harness for damage. Check the sensor and control unit connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1AA5?
Limited driving only, diagnose soon
How much does it cost to fix C1AA5?
The estimated repair cost for C1AA5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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