U1206
Invalid Or Missing Data For Primary Id
U1206 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: malfunction of one of the electronic modules, can network problems or damaged wiring harness. Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Malfunctions in the operation of vehicle electronic systems
- Lost connection with some modules
- Dashboard malfunctions
- Problems starting the engine
Causes
- Malfunction of one of the electronic modules
- CAN network problems or damaged wiring harness
- Incorrect software in modules
- Bad contacts in module connectors
- Mechanical damage to electrical wiring
How to Fix
- Carry out diagnostics of the CAN network and control modules
- Check the integrity of the wiring harness and connectors
- Update or reflash the software of the problematic module
- Replacing a faulty module if necessary
- Check and restore connections between nodes
Related codes
FAQ
What does the U1206 code mean?
U1206 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id
What causes a U1206 error code?
The most common causes of U1206 include: Malfunction of one of the electronic modules; CAN network problems or damaged wiring harness; Incorrect software in modules; Bad contacts in module connectors.
How do I fix a U1206 diagnostic trouble code?
To fix U1206: Carry out diagnostics of the CAN network and control modules. Check the integrity of the wiring harness and connectors. Update or reflash the software of the problematic module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1206?
Yes, but get it checked soon
How much does it cost to fix U1206?
The estimated repair cost for U1206 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat