B2009
Received Data Does Not Match
B2009 is an OBD-II diagnostic trouble code meaning: Received Data Does Not Match. Common causes: wiring harness damage, malfunction of one of the electronic modules. Estimated repair cost: $56–222.
Symptoms
- Check Engine Light Is On
- Incorrect operation of systems associated with the module where the error was recorded
- Possible malfunctions in the infotainment system
Causes
- Wiring harness damage
- Malfunction of one of the electronic modules
- Problems with the CAN bus
- Corrosion or poor contact in connectors
- Software failure in the control unit
How to Fix
- Read the specific module where the error was recorded using a diagnostic scanner
- Check the integrity of the wiring harnesses between the modules
- Inspect connectors for corrosion or damage
- Check the resistance and integrity of the CAN bus
- If necessary, replace the faulty module or restore the connection
Related codes
FAQ
What does the B2009 code mean?
B2009 is an OBD-II diagnostic trouble code that indicates: Received Data Does Not Match
What causes a B2009 error code?
The most common causes of B2009 include: Wiring harness damage; Malfunction of one of the electronic modules; Problems with the CAN bus; Corrosion or poor contact in connectors.
How do I fix a B2009 diagnostic trouble code?
To fix B2009: Read the specific module where the error was recorded using a diagnostic scanner. Check the integrity of the wiring harnesses between the modules. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2009?
Limited driving only, diagnose soon
How much does it cost to fix B2009?
The estimated repair cost for B2009 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat