U1347
Engine Control Module LIN Bus 3
U1347 is an OBD-II diagnostic trouble code meaning: Engine Control Module LIN Bus 3. Common causes: open or short circuit in the lin 3 bus circuit, poor contact in lin bus connectors. Estimated repair cost: $6–56.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Problems with car electronic systems
- Loss of communication with some sensors or actuators
Causes
- Open or short circuit in the LIN 3 bus circuit
- Poor contact in LIN bus connectors
- Engine control module (ECM) malfunction
- Fault in one of the devices connected to the LIN 3 bus
How to Fix
- Check the integrity of the LIN 3 bus wires
- Inspect connectors for corrosion or damage
- Check the voltage and resistance in the LIN bus circuit
- Diagnose connected devices for faults
- Replace damaged components if necessary
Related codes
FAQ
What does the U1347 code mean?
U1347 is an OBD-II diagnostic trouble code that indicates: Engine Control Module LIN Bus 3
What causes a U1347 error code?
The most common causes of U1347 include: Open or short circuit in the LIN 3 bus circuit; Poor contact in LIN bus connectors; Engine control module (ECM) malfunction; Fault in one of the devices connected to the LIN 3 bus.
How do I fix a U1347 diagnostic trouble code?
To fix U1347: Check the integrity of the LIN 3 bus wires. Inspect connectors for corrosion or damage. Check the voltage and resistance in the LIN bus circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1347?
Yes, but get it checked soon
How much does it cost to fix U1347?
The estimated repair cost for U1347 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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