U04B3
Invalid Data Received From Planetary Gear Set Control Module
U04B3 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Planetary Gear Set Control Module. Common causes: planetary control module malfunction, damage to the wiring harness to the module. Estimated repair cost: $56–278.
Symptoms
- Incorrect gear shifting
- Switching to emergency mode of operation of the box
- Check Engine Light Illuminates
- Loss of power or jerking when shifting
- Maximum speed limit
Causes
- Planetary control module malfunction
- Damage to the wiring harness to the module
- Poor contact in connectors
- Software error in the module
- Module power problems
How to Fix
- Check connections and condition of module connectors
- Test the integrity of the wires to the module
- Check the power supply and ground of the module
- Flash or replace the control module
- Carry out diagnostics of the mechanics of the planetary gearbox
Related codes
Error U04B3 by Vehicle Brand
FAQ
What does the U04B3 code mean?
U04B3 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Planetary Gear Set Control Module
What causes a U04B3 error code?
The most common causes of U04B3 include: Planetary control module malfunction; Damage to the wiring harness to the module; Poor contact in connectors; Software error in the module.
How do I fix a U04B3 diagnostic trouble code?
To fix U04B3: Check connections and condition of module connectors. Test the integrity of the wires to the module. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U04B3?
Do not drive — repair immediately
How much does it cost to fix U04B3?
The estimated repair cost for U04B3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat