Chevrolet U223C
test the LVDS connection at the radio and at the display that is going blank, where the wire meets the connector body
Quick answer
For certain 2024–2026 Chevrolet Equinox vehicles in the US, DTC U223C is addressed in Chevrolet bulletin PIT6393L in connection with a display that goes blank/black and may recover. The bulletin directs a wiggle test of the LVDS connection at the radio and at the affected display, specifically where the wire meets the connector body.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does U223C mean?
For certain 2024–2026 Chevrolet Equinox vehicles in the US, DTC U223C is addressed in Chevrolet bulletin PIT6393L in connection with a display that goes blank/black and may recover. The bulletin directs a wiggle test of the LVDS connection at the radio and at the affected display, specifically where the wire meets the connector body.
2. Technical explanation
Verified evidence identifies U223C as a diagnostic condition associated with a blank/black display concern that may recover. The specified diagnostic focus is the LVDS connection at both the radio and the display that is going blank, at the point where the wire meets the connector body.
3. What system is affected?
The verified bulletin concerns the LVDS connection between the radio and the display. A broader system classification is not yet established by verified evidence.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- A display goes blank or black.
- The blank display may recover.
- DTC U223C may be set.
6. Possible causes
- The verified bulletin directs inspection through a wiggle test of the LVDS connection at the radio and affected display, where the wire meets the connector body. A specific failure cause is not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Record whether the display is blank/black, whether it recovers, and which display is affected.
- Arrange diagnosis by a Chevrolet service provider or qualified automotive technician.
- Do not attempt high-voltage-system repair; no high-voltage repair procedure is established by the supplied evidence.
10. Step-by-step troubleshooting
- For a blank/black screen that recovers and/or when U223C is set, bulletin PIT6393L directs a wiggle test of the LVDS connection at the radio and at the display that is going blank, where the wire meets the connector body.
11. When to contact service
Contact a Chevrolet dealer or qualified service provider if the display goes blank/black or U223C is stored. Provide the code and describe whether the display recovers.
12. What the service center may check
- Confirm the blank/black display concern and whether the display recovers.
- Check for DTC U223C.
- Perform the bulletin-specified wiggle test of the LVDS connection at the radio and affected display, where the wire meets the connector body.
13. Possible repair or resolution
- A repair resolution is not yet established by verified evidence. The supplied bulletin evidence specifies diagnostic testing only.
14. Affected vehicles
- Chevrolet Equinox · 2024–2026 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 11032781, Chevrolet PIT6393L, published May 14, 2026. It addresses a blank/black screen that may recover and/or DTC U223C, directing a wiggle test of LVDS connections at the radio and affected display.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 11032781, PIT6393L: https://static.nhtsa.gov/odi/tsbs/2026/MC-11032781-0001.pdf
19. Frequently asked questions
What does U223C mean for the applicable Chevrolet Equinox?
Verified evidence links U223C with a display that goes blank/black and may recover. The bulletin directs testing of the LVDS connection at the radio and affected display where the wire meets the connector body.
Which vehicles are covered by the supplied evidence?
The supplied applicability evidence identifies US-market 2024–2026 Chevrolet Equinox vehicles.
Is it safe to drive or charge with U223C?
Not yet established by verified evidence.
What repair is required?
Not yet established by verified evidence. The supplied source specifies a diagnostic wiggle test, not a repair procedure.