C1A02
Vehicle Information Not Obtained
C1A02 is an OBD-II diagnostic trouble code meaning: Vehicle Information Not Obtained. Common causes: broken or damaged wiring harness, malfunction of the communication module (for example, airbag unit). Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Lack of vehicle data in diagnostic equipment
- Incorrect operation of security systems
Causes
- Broken or damaged wiring harness
- Malfunction of the communication module (for example, airbag unit)
- Problems with the CAN bus
- Corrosion or poor contact in connectors
How to Fix
- Check the integrity of the wiring harness and connectors
- Diagnose the state of the CAN bus
- Check the functionality of the modules associated with the error
- Replace damaged components if necessary
Related codes
FAQ
What does the C1A02 code mean?
C1A02 is an OBD-II diagnostic trouble code that indicates: Vehicle Information Not Obtained
What causes a C1A02 error code?
The most common causes of C1A02 include: Broken or damaged wiring harness; Malfunction of the communication module (for example, airbag unit); Problems with the CAN bus; Corrosion or poor contact in connectors.
How do I fix a C1A02 diagnostic trouble code?
To fix C1A02: Check the integrity of the wiring harness and connectors. Diagnose the state of the CAN bus. Check the functionality of the modules associated with the error. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1A02?
Do not drive — repair immediately
How much does it cost to fix C1A02?
The estimated repair cost for C1A02 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat