Chevrolet P2138
Truck Issues– Fix it Right the First Time Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin 2014-2015 Sierra, Silverado — Difficult to
Quick answer
Chevrolet P2138: Truck Issues– Fix it Right the First Time Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin 2014-2015 Sierra, Silverado — Difficult to
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 P2138 mean?
Chevrolet P2138: Truck Issues– Fix it Right the First Time Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin 2014-2015 Sierra, Silverado — Difficult to
2. Technical explanation
The identity of P2138 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 · 2011–2015 · US
- Chevrolet Volt · 2011–2015 · US
15. Related TSBs / service bulletins
- NHTSA: NHTSA Manufacturer Communication PDF 10135201: 13-00-89-004H
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
customer GM is working on a solution. Replace parts. PI1203 2013 ATS — Water on Front Compartment Floor and/or Musty Odor Check the drain, to ensure there are no water leaks into the interior and apply Cooling Coil Coating. Replace the evaporator core. PI1160A 2013-2014 ATS, CTS Sedan — Engineering Information - Malfunction Indicator Lamp On, DTC P2138 or P06A3 Set Contact Engineering. Replace Components. PIE0291B Field Product Reminder– Truck Issues– Fix it Right the First Time Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin 2014-2015 Sierra, Silverado — Difficult to Engage Clamp(s) When Installing Soft Roll-up Tonneau Cover Apply a thin coating of
19. Frequently asked questions
What does P2138 mean?
Chevrolet P2138: Truck Issues– Fix it Right the First Time Model Year(s) Vehicle Line(s) / Condition Do This Don't Do This Reference Information/Bulletin 2014-2015 Sierra, Silverado — Difficult to
Can I drive with P2138?
Not yet established by verified evidence.
Can I charge with P2138?
Not yet established by verified evidence.
Does P2138 require service?
Qualified service should be contacted if the warning persists, returns after a normal manufacturer-permitted restart, or affects driving or charging.