OBD Guide
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U1222

Invalid Or Missing Data For Interior Lamps

U1222 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Interior Lamps. Common causes: problems in the can bus, body module (bcm) malfunction. Estimated repair cost: ~$56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Incorrect operation of interior lamps
  • Flashing or non-functioning lamps
  • Errors in the operation of other electronic systems
  • The indicator light on the dashboard comes on

Causes

  • Problems in the CAN bus
  • Body Module (BCM) Malfunction
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Software error in the module

How to Fix

  1. Check CAN bus connections
  2. Diagnose body module (BCM)
  3. Check the integrity of the wiring harness
  4. Scan all modules for other errors
  5. If necessary, reflash the body module

Related codes

U1122U1232U1242

FAQ

What does the U1222 code mean?

U1222 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Interior Lamps

What causes a U1222 error code?

The most common causes of U1222 include: Problems in the CAN bus; Body Module (BCM) Malfunction; Open or short circuit in wiring harness; Poor contact in connectors.

How do I fix a U1222 diagnostic trouble code?

To fix U1222: Check CAN bus connections. Diagnose body module (BCM). Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1222?

Yes, but get it checked soon

How much does it cost to fix U1222?

The estimated repair cost for U1222 is ~$56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat