U1225
Invalid Or Missing Data For Primary Id
U1225 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: damage to the can bus wiring harness, oxidation of contacts in connectors. Estimated repair cost: $17–111.
Symptoms
- Check Engine light comes on
- There may be problems with the operation of certain vehicle systems
- Intermittent communication between modules
- Errors in the operation of electronic systems
Causes
- Damage to the CAN bus wiring harness
- Oxidation of contacts in connectors
- Malfunction of one of the electronic modules
- Software failure in the control unit
- Problems with power supply of electronic modules
How to Fix
- Check the integrity of the CAN bus wiring
- Inspect and clean the contacts in the connectors
- Check power supply of electronic modules
- Read additional error codes for accurate diagnosis
- If necessary, reflash or replace the faulty module
Related codes
FAQ
What does the U1225 code mean?
U1225 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id
What causes a U1225 error code?
The most common causes of U1225 include: Damage to the CAN bus wiring harness; Oxidation of contacts in connectors; Malfunction of one of the electronic modules; Software failure in the control unit.
How do I fix a U1225 diagnostic trouble code?
To fix U1225: Check the integrity of the CAN bus wiring. Inspect and clean the contacts in the connectors. Check power supply of electronic modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1225?
Yes, but get it checked soon
How much does it cost to fix U1225?
The estimated repair cost for U1225 is $17–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat