B153B
Liftgate Open Switch Signal Circuit
B153B is an OBD-II diagnostic trouble code meaning: Liftgate Open Switch Signal Circuit. Common causes: open or short circuit in the signal circuit, malfunction of the rear door sensor. Estimated repair cost: $33–111.
Symptoms
- Interior lighting does not work when the rear door is opened
- Incorrect operation of the central locking
- Error message on the dashboard
- Problems with the security system (alarm, immobilizer)
Causes
- Open or short circuit in the signal circuit
- Malfunction of the rear door sensor
- Wiring harness damage
- Contact problems or connector corrosion
- Body electronics module malfunction
How to Fix
- Check the condition of the rear door sensor
- Inspect the wiring harness for damage
- Check contacts and connectors for corrosion or oxidation
- Measure the resistance and voltage in the signal circuit circuit
- Replace a faulty sensor or repair damaged wires
- Reset the error and check if it returns
Related codes
FAQ
What does the B153B code mean?
B153B is an OBD-II diagnostic trouble code that indicates: Liftgate Open Switch Signal Circuit
What causes a B153B error code?
The most common causes of B153B include: Open or short circuit in the signal circuit; Malfunction of the rear door sensor; Wiring harness damage; Contact problems or connector corrosion.
How do I fix a B153B diagnostic trouble code?
To fix B153B: Check the condition of the rear door sensor. Inspect the wiring harness for damage. Check contacts and connectors for corrosion or oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B153B?
Yes, but get it checked soon
How much does it cost to fix B153B?
The estimated repair cost for B153B is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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