U1189
Invalid Or Missing Data For Primary Id
U1189 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: broken or damaged can bus wires, corrosion of contacts in connectors. Estimated repair cost: $6–56.
Symptoms
- Check Engine Light Is On
- There may be malfunctions in various vehicle systems
- Loss of data in the on-board computer
- Problems starting the engine (in rare cases)
Causes
- Broken or damaged CAN bus wires
- Corrosion of contacts in connectors
- Malfunction of one of the electronic modules
- Problems with power supply to electronic components
- Software failure in the ECU
How to Fix
- Check the integrity of the CAN bus wiring harness
- Inspect and clean the contacts in the connectors
- Check power supply of all connected modules
- Read full error using scanner
- If necessary, reflash the ECU
Related codes
FAQ
What does the U1189 code mean?
U1189 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id
What causes a U1189 error code?
The most common causes of U1189 include: Broken or damaged CAN bus wires; Corrosion of contacts in connectors; Malfunction of one of the electronic modules; Problems with power supply to electronic components.
How do I fix a U1189 diagnostic trouble code?
To fix U1189: Check the integrity of the CAN bus wiring harness. Inspect and clean the contacts in the connectors. Check power supply of all connected modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1189?
Yes, but get it checked soon
How much does it cost to fix U1189?
The estimated repair cost for U1189 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat