Verified EV diagnostic knowledge page

Chevrolet P200A

The technician should follow SI diagnostics. If no cause for the concern is found or during diagnosis a leak check is required, power smoke diagnostic leakdetector GE-5

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService evaluation is appropriate because GM directs technicians to follow SI diagnostics. Urgency is not yet established by verified evidence.
Confidence95%

Quick answer

For Chevrolet vehicles covered by GM bulletin PIP5684 revisions, P200A may occur with intermittent engine reduced power. GM states the concern may be due to a leak in the charge-air-cooler/induction system and directs technicians to follow SI diagnostics; if needed, use the GE-5 power smoke diagnostic leak detector.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

No sufficiently relevant embeddable video has been accepted for this diagnostic yet.

Videos are supporting material and never override OEM or regulator evidence.

1. What does P200A mean?

For Chevrolet vehicles covered by GM bulletin PIP5684 revisions, P200A may occur with intermittent engine reduced power. GM states the concern may be due to a leak in the charge-air-cooler/induction system and directs technicians to follow SI diagnostics; if needed, use the GE-5 power smoke diagnostic leak detector.

2. Technical explanation

The supplied verified evidence does not establish a general SAE/OBD definition for P200A. It establishes Chevrolet/GM bulletin guidance: P200A can be present as a history or current code, possibly with intermittent engine reduced power, in a bulletin scenario where a charge-air-cooler or induction-system leak may be involved. The bulletin does not establish that every P200A is caused by a leak.

3. What system is affected?

Charge-air-cooler / induction system, within the specific GM bulletin scenario. A broader affected-system determination is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied evidence reports possible intermittent engine reduced power but does not assign a severity level.

5. Symptoms you may notice

  • Intermittent engine reduced power may be present in the GM bulletin scenario.
  • P200A may be stored as a history or current diagnostic trouble code.

6. Possible causes

  • A leak in the charge-air-cooler / induction system may be the cause in the GM bulletin scenario.
  • Other causes are 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

  • Arrange diagnosis using the applicable Chevrolet/GM Service Information (SI) procedures.
  • Do not attempt high-voltage repairs based on this code or bulletin evidence.

10. Step-by-step troubleshooting

  1. A technician should follow SI diagnostics.
  2. If no cause is found, or if a leak check is required during diagnosis, GM directs use of the GE-5 power smoke diagnostic leak detector.

11. When to contact service

Service evaluation is appropriate because GM directs technicians to follow SI diagnostics. Urgency is not yet established by verified evidence.

12. What the service center may check

  • Retrieve and evaluate current and history DTCs in accordance with SI diagnostics.
  • Follow the applicable SI diagnostic procedure.
  • If indicated during diagnosis, perform the GM-directed leak check with the GE-5 power smoke diagnostic leak detector.

13. Possible repair or resolution

  • Repair resolution is not specified by the supplied verified evidence. The repair depends on the cause identified through SI diagnostics.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM/ Chevrolet PIP5684, published October 22, 2019; NHTSA manufacturer communication MC-10167455. It lists P200A among possible current or history codes and identifies a possible charge-air-cooler/induction-system leak.
  • GM/ Chevrolet PIP5684A, published May 5, 2020; NHTSA manufacturer communication MC-10176300.
  • GM/ Chevrolet PIP5684B, published July 13, 2020; NHTSA manufacturer communication MC-10178370.
  • GM/ Chevrolet PIP5684C, published October 22, 2020; NHTSA manufacturer communication MC-10182564.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official NHTSA-hosted GM manufacturer communications: PIP5684C (MC-10182564): https://static.nhtsa.gov/odi/tsbs/2020/MC-10182564-9999.pdf; PIP5684B (MC-10178370): https://static.nhtsa.gov/odi/tsbs/2020/MC-10178370-9999.pdf; PIP5684A (MC-10176300): https://static.nhtsa.gov/odi/tsbs/2020/MC-10176300-9999.pdf; PIP5684 (MC-10167455): https://static.nhtsa.gov/odi/tsbs/2019/MC-10167455-9999.pdf.

19. Frequently asked questions

What does P200A mean in the supplied Chevrolet evidence?

The verified evidence provides GM bulletin guidance rather than a general code definition. It says P200A may be present in a scenario involving intermittent engine reduced power and a possible charge-air-cooler/induction-system leak.

Does P200A prove there is an induction-system leak?

No. GM states that a leak may be the cause in the bulletin scenario. It does not establish a leak as the cause of every P200A.

Which vehicles are listed in the supplied applicability data?

Chevrolet Bolt EV, Spark, and Volt, model years 2011 through 2018, US region. Bulletin applicability to each individual vehicle is not otherwise established by the supplied evidence.

Can I drive or charge with P200A?

Driving and charging status are not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Chevrolet P200A: The technician should follow SI diagnostics. If no… | EV Diagnostics