U1169
Invalid Or Missing Data For Primary Id
U1169 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Primary Id. Common causes: broken or damaged can bus wires, malfunction of one of the electronic modules. Estimated repair cost: ~$167.
Symptoms
- Check Engine Light Is On
- Incorrect operation of some vehicle systems
- Problems with diagnostics (not all modules are available)
- Intermittent operation of electronic systems
- Reduced engine power in some cases
Causes
- Broken or damaged CAN bus wires
- Malfunction of one of the electronic modules
- Problems with power supply of electronic units
- Corrosion of connectors
- Software error in one of the modules
How to Fix
- Check the integrity of the CAN bus (resistance and voltage)
- Inspect the connectors and connections of electronic modules
- Check power supply of all connected modules
- Read error codes from all available modules
- If necessary, reflash the problematic module
Related codes
FAQ
What does the U1169 code mean?
U1169 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Primary Id
What causes a U1169 error code?
The most common causes of U1169 include: Broken or damaged CAN bus wires; Malfunction of one of the electronic modules; Problems with power supply of electronic units; Corrosion of connectors.
How do I fix a U1169 diagnostic trouble code?
To fix U1169: Check the integrity of the CAN bus (resistance and voltage). Inspect the connectors and connections of electronic modules. Check power supply of all connected modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1169?
Yes, but get it checked soon
How much does it cost to fix U1169?
The estimated repair cost for U1169 is ~$167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat