U1345
Engine Control Module LIN Bus 1
U1345 is an OBD-II diagnostic trouble code meaning: Engine Control Module LIN Bus 1. Common causes: open or short circuit in lin circuit, damaged or oxidized connectors. Estimated repair cost: $6–56.
Symptoms
- Check Engine Light Is On
- Certain functions do not work (climate control, cruise control)
- Intermittent operation of connected devices
- Errors in other systems using the LIN bus
Causes
- Open or short circuit in LIN circuit
- Damaged or oxidized connectors
- Fault in one of the devices on the LIN bus
- Problems with power supply to connected devices
- Malfunction of the ECU itself
How to Fix
- Check the integrity of the LIN bus wires
- Inspect and clean all connectors in the circuit
- Check the power and ground of connected devices
- Disconnect devices on the bus one by one to find the faulty one.
- Check the performance of the ECU
Related codes
FAQ
What does the U1345 code mean?
U1345 is an OBD-II diagnostic trouble code that indicates: Engine Control Module LIN Bus 1
What causes a U1345 error code?
The most common causes of U1345 include: Open or short circuit in LIN circuit; Damaged or oxidized connectors; Fault in one of the devices on the LIN bus; Problems with power supply to connected devices.
How do I fix a U1345 diagnostic trouble code?
To fix U1345: Check the integrity of the LIN bus wires. Inspect and clean all connectors in the circuit. Check the power and ground of connected devices. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1345?
Yes, but get it checked soon
How much does it cost to fix U1345?
The estimated repair cost for U1345 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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