U1729
Right High Beam Control Module Lost Communication With Right Headlamp Horizontal Motor
U1729 is an OBD-II diagnostic trouble code meaning: Right High Beam Control Module Lost Communication With Right Headlamp Horizontal Motor. Common causes: broken or damaged wiring, high beam control module malfunction. Estimated repair cost: $17–89.
Symptoms
- Incorrect operation of automatic headlight control
- The headlight fault indicator is on
- Right high beam does not turn on
- Headlights are aimed incorrectly
- Error in the lighting system
Causes
- Broken or damaged wiring
- High beam control module malfunction
- Problems with horizontal motor
- Poor contact in connectors
- Problems with the body control module
How to Fix
- Check the integrity of the wiring to the adjustment motor
- Inspect connectors for oxidation or damage
- Check the functionality of the horizontal control motor
- Test the high beam control module
- Reset the error and check if it returns
Related codes
FAQ
What does the U1729 code mean?
U1729 is an OBD-II diagnostic trouble code that indicates: Right High Beam Control Module Lost Communication With Right Headlamp Horizontal Motor
What causes a U1729 error code?
The most common causes of U1729 include: Broken or damaged wiring; High beam control module malfunction; Problems with horizontal motor; Poor contact in connectors.
How do I fix a U1729 diagnostic trouble code?
To fix U1729: Check the integrity of the wiring to the adjustment motor. Inspect connectors for oxidation or damage. Check the functionality of the horizontal control motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1729?
Yes, but get it checked soon
How much does it cost to fix U1729?
The estimated repair cost for U1729 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat