U0183
Lost Communication With Lighting Control Module - Rear A
U0183 is an OBD-II diagnostic trouble code meaning: Lost Communication With Lighting Control Module - Rear A. Common causes: open or short circuit in the module power supply circuit, rear lighting control module malfunction. Estimated repair cost: $28–89.
Symptoms
- Taillights or brake lights do not work
- Flashing or uneven operation of rear lights
- Error message on the dashboard
- Activating emergency lighting mode
- Problems with other electronic systems in the car
Causes
- Open or short circuit in the module power supply circuit
- Rear lighting control module malfunction
- Problems with the wiring harness or connectors
- Failures in ECU software
- Corroded contacts or damaged wiring
How to Fix
- Check fuses and relays associated with the lighting system
- Inspect connectors and wiring harness for damage
- Check the voltage at the lighting module terminals
- Scan the module for errors using diagnostic equipment
- If necessary, replace the rear light control module
Related codes
Error U0183 by Vehicle Brand
FAQ
What does the U0183 code mean?
U0183 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Lighting Control Module - Rear A
What causes a U0183 error code?
The most common causes of U0183 include: Open or short circuit in the module power supply circuit; Rear lighting control module malfunction; Problems with the wiring harness or connectors; Failures in ECU software.
How do I fix a U0183 diagnostic trouble code?
To fix U0183: Check fuses and relays associated with the lighting system. Inspect connectors and wiring harness for damage. Check the voltage at the lighting module terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0183?
Limited driving only, diagnose soon
How much does it cost to fix U0183?
The estimated repair cost for U0183 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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