U1884
Hybrid Control Module Lost Communication With Passenger Door Module
U1884 is an OBD-II diagnostic trouble code meaning: Hybrid Control Module Lost Communication With Passenger Door Module. Common causes: broken or damaged can bus wires, passenger door module malfunction. Estimated repair cost: $56–278.
Symptoms
- Incorrect operation of the passenger door
- Lack of response to door control buttons
- The indicator light on the dashboard comes on
- Problems with central locking
- Errors in other comfort systems
Causes
- Broken or damaged CAN bus wires
- Passenger door module malfunction
- Problems with the hybrid control module
- Short circuit in communication circuit
- Poor contact in connectors
How to Fix
- Check the integrity of the CAN bus between modules
- Diagnose the passenger door module
- Check power and ground of modules
- Inspect connectors for oxidation or damage
- If necessary, replace the faulty module
Related codes
FAQ
What does the U1884 code mean?
U1884 is an OBD-II diagnostic trouble code that indicates: Hybrid Control Module Lost Communication With Passenger Door Module
What causes a U1884 error code?
The most common causes of U1884 include: Broken or damaged CAN bus wires; Passenger door module malfunction; Problems with the hybrid control module; Short circuit in communication circuit.
How do I fix a U1884 diagnostic trouble code?
To fix U1884: Check the integrity of the CAN bus between modules. Diagnose the passenger door module. Check power and ground of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1884?
Yes, but get it checked soon
How much does it cost to fix U1884?
The estimated repair cost for U1884 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat