C1AED
Rear Sensor Communication Circuit
C1AED is an OBD-II diagnostic trouble code meaning: Rear Sensor Communication Circuit. Common causes: broken or damaged wiring harness, short circuit in the circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Disabling the tire pressure monitoring system
- Incorrect operation of parking sensors
- Errors in the ABS system
Causes
- Broken or damaged wiring harness
- Short circuit in the circuit
- Rear sensor malfunction
- Problems with the control module
- Oxidation of contacts in connectors
How to Fix
- Visually inspect the wiring harness for damage
- Checking the contacts in the sensor and module connectors
- Measuring resistance and voltage in a circuit
- Checking sensor parameters using a diagnostic scanner
- Replace the sensor or repair the wiring harness if necessary
Related codes
FAQ
What does the C1AED code mean?
C1AED is an OBD-II diagnostic trouble code that indicates: Rear Sensor Communication Circuit
What causes a C1AED error code?
The most common causes of C1AED include: Broken or damaged wiring harness; Short circuit in the circuit; Rear sensor malfunction; Problems with the control module.
How do I fix a C1AED diagnostic trouble code?
To fix C1AED: Visually inspect the wiring harness for damage. Checking the contacts in the sensor and module connectors. Measuring resistance and voltage in a circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1AED?
Do not drive — repair immediately
How much does it cost to fix C1AED?
The estimated repair cost for C1AED is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat