B3103
Keyless Entry Data Link Circuit High
B3103 is an OBD-II diagnostic trouble code meaning: Keyless Entry Data Link Circuit High. Common causes: short circuit to positive in the data transmission circuit, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- Problems with key recognition
- Inability to start the engine
- Error indication on the dashboard
Causes
- Short circuit to positive in the data transmission circuit
- Wiring harness damage
- Keyless entry module malfunction
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness
- Check the voltage in the data circuit
- Check contacts for corrosion
- Replace the keyless entry module if necessary
Related codes
Error B3103 by Vehicle Brand
FAQ
What does the B3103 code mean?
B3103 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Data Link Circuit High
What causes a B3103 error code?
The most common causes of B3103 include: Short circuit to positive in the data transmission circuit; Wiring harness damage; Keyless entry module malfunction; Contact corrosion.
How do I fix a B3103 diagnostic trouble code?
To fix B3103: Check the integrity of the wiring harness. Check the voltage in the data circuit. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3103?
Limited driving only, diagnose soon
How much does it cost to fix B3103?
The estimated repair cost for B3103 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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