U301D
Control Module Wake-up Circuit A Performance
U301D is an OBD-II diagnostic trouble code meaning: Control Module Wake-up Circuit A Performance. Common causes: open or short circuit in wake-up circuit, faulty control module. Estimated repair cost: $6–56.
Symptoms
- Problems starting the engine
- Some electronic systems do not work
- Check Engine Light Is On
- Intermittent operation of electrical equipment
Causes
- Open or short circuit in wake-up circuit
- Faulty control module
- Damaged connectors or corrosion
- Fuse problems
- Module software error
How to Fix
- Check the integrity of the wake-up circuit wiring
- Inspect the connectors and clean them from corrosion
- Check and replace fuses if necessary
- Scan the control module for errors
- If necessary, replace the control module
Related codes
Error U301D by Vehicle Brand
FAQ
What does the U301D code mean?
U301D is an OBD-II diagnostic trouble code that indicates: Control Module Wake-up Circuit A Performance
What causes a U301D error code?
The most common causes of U301D include: Open or short circuit in wake-up circuit; Faulty control module; Damaged connectors or corrosion; Fuse problems.
How do I fix a U301D diagnostic trouble code?
To fix U301D: Check the integrity of the wake-up circuit wiring. Inspect the connectors and clean them from corrosion. Check and replace fuses if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U301D?
Yes, but get it checked soon
How much does it cost to fix U301D?
The estimated repair cost for U301D is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat