U210B
Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module
U210B is an OBD-II diagnostic trouble code meaning: Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module. Common causes: open or short circuit in the can bus, malfunction of the fuel pump control module. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- The airbag indicator may come on
- Problems starting the engine
- Reduced engine power
- Errors in other CAN bus-related systems
Causes
- Open or short circuit in the CAN bus
- Malfunction of the fuel pump control module
- Problems with the security module
- Bad contacts in connectors
- Problems with power supply to one of the modules
How to Fix
- Check the integrity of the CAN bus between modules
- Inspect the connectors and contacts on both modules
- Check power and ground on both modules
- Count errors in both modules
- Repair only from an authorized dealer
Related codes
FAQ
What does the U210B code mean?
U210B is an OBD-II diagnostic trouble code that indicates: Lost Communication Between Fuel Pump Control Module 'A' and Restraints Control Module
What causes a U210B error code?
The most common causes of U210B include: Open or short circuit in the CAN bus; Malfunction of the fuel pump control module; Problems with the security module; Bad contacts in connectors.
How do I fix a U210B diagnostic trouble code?
To fix U210B: Check the integrity of the CAN bus between modules. Inspect the connectors and contacts on both modules. Check power and ground on both modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U210B?
Limited driving only, diagnose soon
How much does it cost to fix U210B?
The estimated repair cost for U210B is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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