Chevrolet U151B
2014 ATS — Temperature Information for Driver and Passenger Heated Seat Cushion and Seat Back Measure Temperature Difference. Replace Seat Cushion. PI0990A 2013 ATS — Water on Fron
Quick answer
Chevrolet U151B: 2014 ATS — Temperature Information for Driver and Passenger Heated Seat Cushion and Seat Back Measure Temperature Difference. Replace Seat Cushion. PI0990A 2013 ATS — Water on Fron
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 U151B mean?
Chevrolet U151B: 2014 ATS — Temperature Information for Driver and Passenger Heated Seat Cushion and Seat Back Measure Temperature Difference. Replace Seat Cushion. PI0990A 2013 ATS — Water on Fron
2. Technical explanation
The identity of U151B is verified for Chevrolet. Available evidence does not yet establish a narrower subsystem or component-level failure.
3. What system is affected?
Not yet established by verified evidence.
4. How serious is this code?
Not yet established by verified evidence. Urgency must be based on the exact vehicle warning and official guidance.
5. Symptoms you may notice
Not yet established by verified evidence.
6. Possible causes
Not yet established by verified evidence. A diagnostic identifier alone is not proof that a specific component has failed.
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
- Preserve the exact diagnostic code and any accompanying vehicle warning before clearing anything.
- Follow the manufacturer instructions shown in the vehicle or owner/service documentation.
- Do not open or work on high-voltage components unless you are qualified and equipped for high-voltage service.
10. Step-by-step troubleshooting
- Record the exact code, warning text, vehicle model, model year, and operating condition when it appeared.
- Check the verified manufacturer or regulator source linked on this page for code-specific instructions.
- Avoid replacing parts based only on the code; code-specific component tests are not inferred when evidence does not provide them.
- Escalate to qualified service when the warning persists, affects driving/charging, or manufacturer guidance requires service.
11. When to contact service
Qualified service should be contacted if the warning persists, returns after a normal manufacturer-permitted restart, or affects driving or charging.
12. What the service center may check
Not yet established by verified evidence.
13. Possible repair or resolution
Not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Spark · 2011–2014 · US
- Chevrolet Volt · 2011–2014 · US
15. Related TSBs / service bulletins
- NHTSA: NHTSA Manufacturer Communication PDF 10138621: 13-00-89-004F
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
7/8 Full On listed models only, install new design fuel level sensor kit & fuel fill shutoff valve. Install components on other model vehicles, replace fuel tank, replace fuel pump module, replace engine control module. PI1161 2010- 2014 Verano, Regal, Malibu, LaCrosse, Impala, Cruze— Engineering Information - Sunroof or Sunshade Inoperative, DTC U151B Set Call Engineers listed in PI. Unplug modules, pull fuses, or disconnect battery. PIE0279 2013- 2014 ATS — Temperature Information for Driver and Passenger Heated Seat Cushion and Seat Back Measure Temperature Difference. Replace Seat Cushion. PI0990A 2013 ATS — Water on Front Compartment Floor and/or Musty Odor Inspect the Drain and Apply Cooli
19. Frequently asked questions
What does U151B mean?
Chevrolet U151B: 2014 ATS — Temperature Information for Driver and Passenger Heated Seat Cushion and Seat Back Measure Temperature Difference. Replace Seat Cushion. PI0990A 2013 ATS — Water on Fron
Can I drive with U151B?
Not yet established by verified evidence.
Can I charge with U151B?
Not yet established by verified evidence.
Does U151B require service?
Qualified service should be contacted if the warning persists, returns after a normal manufacturer-permitted restart, or affects driving or charging.