U0145
Lost Communication With Body Control Module E
U0145 is an OBD-II diagnostic trouble code meaning: Lost Communication With Body Control Module E. Common causes: open or short in the communication circuit between the ecu and bcm, bcm power or ground problems. Estimated repair cost: $56–278.
Symptoms
- Some body functions do not work (windows, lights, etc.)
- Check Engine Light Is On
- There may be malfunctions in the central locking system.
- Errors in other BCM related systems
Causes
- Open or short in the communication circuit between the ECU and BCM
- BCM power or ground problems
- Malfunction of the body control module itself
- Damage to the CAN bus
- Corroded connectors or poor contact
How to Fix
- Check BCM power and ground
- Inspect the wiring harness for damage
- Check the condition of the BCM and ECU connectors
- Scan the CAN bus for errors
- Replace the body control module if necessary
Related codes
Error U0145 by Vehicle Brand
FAQ
What does the U0145 code mean?
U0145 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Body Control Module E
What causes a U0145 error code?
The most common causes of U0145 include: Open or short in the communication circuit between the ECU and BCM; BCM power or ground problems; Malfunction of the body control module itself; Damage to the CAN bus.
How do I fix a U0145 diagnostic trouble code?
To fix U0145: Check BCM power and ground. Inspect the wiring harness for damage. Check the condition of the BCM and ECU connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0145?
Yes, but get it checked soon
How much does it cost to fix U0145?
The estimated repair cost for U0145 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat