U025F
Lost Communication With Electronic Brake Booster Control Module B
U025F is an OBD-II diagnostic trouble code meaning: Lost Communication With Electronic Brake Booster Control Module B. Common causes: broken or damaged wiring to the brake booster module, electric brake booster module b malfunction. Estimated repair cost: $167–500.
Symptoms
- Check engine light is on
- Increased brake pedal force
- Loss of electric brake booster function
- Activating the emergency brake system
- Error messages on the dashboard
Causes
- Broken or damaged wiring to the brake booster module
- Electric brake booster module B malfunction
- Connector problems or contact corrosion
- Module software failures
- Problems with module power or grounding
How to Fix
- Check the integrity of the wiring harness to the module
- Inspect the module connectors for corrosion or damage.
- Check the supply voltage and grounding of the module
- Scan the module for additional errors
- If necessary, replace the electric brake booster module B
- Repair only from an authorized dealer
Related codes
Error U025F by Vehicle Brand
FAQ
What does the U025F code mean?
U025F is an OBD-II diagnostic trouble code that indicates: Lost Communication With Electronic Brake Booster Control Module B
What causes a U025F error code?
The most common causes of U025F include: Broken or damaged wiring to the brake booster module; Electric brake booster module B malfunction; Connector problems or contact corrosion; Module software failures.
How do I fix a U025F diagnostic trouble code?
To fix U025F: Check the integrity of the wiring harness to the module. Inspect the module connectors for corrosion or damage.. Check the supply voltage and grounding of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U025F?
Do not drive — repair immediately
How much does it cost to fix U025F?
The estimated repair cost for U025F is $167–500. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat