U1188
Invalid Or Missing Data For Primary Id
U1188 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: broken or damaged can bus wires, poor contact in the connectors of electronic modules. Estimated repair cost: $17–167.
Symptoms
- Check Engine light comes on
- There may be malfunctions in various vehicle systems
- Lost communication with one or more modules
- Unstable engine operation
Causes
- Broken or damaged CAN bus wires
- Poor contact in the connectors of electronic modules
- Malfunction of one of the control units
- Problems with power supply of electronic modules
- Software glitches in the communication system
How to Fix
- Check the integrity of the CAN bus wiring
- Inspect and clean all connectors on associated modules
- Check power supply and grounding of electronic modules
- Read error codes from all available modules
- If necessary, replace the faulty module
Related codes
FAQ
What does the U1188 code mean?
U1188 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id
What causes a U1188 error code?
The most common causes of U1188 include: Broken or damaged CAN bus wires; Poor contact in the connectors of electronic modules; Malfunction of one of the control units; Problems with power supply of electronic modules.
How do I fix a U1188 diagnostic trouble code?
To fix U1188: Check the integrity of the CAN bus wiring. Inspect and clean all connectors on associated modules. Check power supply and grounding of electronic modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1188?
Yes, but get it checked soon
How much does it cost to fix U1188?
The estimated repair cost for U1188 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat