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Chevrolet P2598

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-52250 can be

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not explicitly established by the supplied evidence. However, the verified bulletin directs technician diagnosis using Chevrolet SI procedures.
Confidence95%

Quick answer

For Chevrolet vehicles covered by the supplied evidence, P2598 appears in GM bulletin PIP5684/PIP5684A/B/C as one of several possible history or current DTCs. The bulletin states that the concern may be due to a leak in the charge-air-cooler/induction system and directs technicians to follow SI diagnostics.

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 P2598 mean?

For Chevrolet vehicles covered by the supplied evidence, P2598 appears in GM bulletin PIP5684/PIP5684A/B/C as one of several possible history or current DTCs. The bulletin states that the concern may be due to a leak in the charge-air-cooler/induction system and directs technicians to follow SI diagnostics.

2. Technical explanation

The supplied diagnostic record’s canonical text is an excerpt of the bulletin’s correction guidance rather than a complete code definition. Verified NHTSA-hosted GM communications PIP5684, PIP5684A, PIP5684B, and PIP5684C list P2598 among possible history or current DTCs. They state that a leak in the charge air cooler / induction systems may cause the concern. The instructed diagnostic approach is to follow SI diagnostics; when no cause is found or a leak check is required, the bulletin says the GE-52250 power smoke diagnostic leak detector can be helpful for locating leaks.

3. What system is affected?

Charge air cooler / induction systems, as identified in the verified bulletin evidence. A more specific system assignment for P2598 is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied evidence does not establish severity for P2598.

5. Symptoms you may notice

  • P2598 may be stored as a history or current DTC, according to GM bulletin PIP5684 revisions.
  • Additional vehicle symptoms are not yet established by verified evidence.

6. Possible causes

  • A leak in the charge air cooler / induction systems may be the cause of the concern, according to GM bulletin PIP5684 revisions.
  • 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 Service Information (SI) procedures.
  • Do not attempt leak testing or repairs unless qualified and equipped to follow manufacturer service procedures.
  • No high-voltage-system action is established by the supplied evidence.

10. Step-by-step troubleshooting

  1. A technician should follow SI diagnostics.
  2. If no cause is found, or if diagnosis requires a leak check, the bulletin states that the GE-52250 power smoke diagnostic leak detector can be helpful in locating leaks.

11. When to contact service

Service need is not explicitly established by the supplied evidence. However, the verified bulletin directs technician diagnosis using Chevrolet SI procedures.

12. What the service center may check

  • Follow applicable Chevrolet SI diagnostics.
  • Assess the charge air cooler / induction systems for leaks when indicated by SI diagnostics.
  • If a leak check is required, the bulletin identifies the GE-52250 power smoke diagnostic leak detector as helpful for locating leaks.

13. Possible repair or resolution

  • The supplied evidence does not establish a specific repair.
  • Any repair should be based on the cause found through SI diagnostics and any required leak check.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM PIP5684, published October 22, 2019; NHTSA manufacturer communication 10167455. It lists P2598 and states that the concern may be due to a charge-air-cooler/induction-system leak.
  • GM PIP5684A, published May 5, 2020; NHTSA manufacturer communication 10176300. It lists P2598 with the same stated possible cause and SI diagnostic direction.
  • GM PIP5684B, published July 13, 2020; NHTSA manufacturer communication 10178370. It lists P2598 with the same stated possible cause and SI diagnostic direction.
  • GM PIP5684C, published October 22, 2020; NHTSA manufacturer communication 10182564. It lists P2598 with the same stated possible cause and SI diagnostic direction.

16. Recall information

  • No recall information was supplied or established by verified evidence.

17. Official manufacturer information

Verified official sources: NHTSA-hosted GM manufacturer communications PIP5684, PIP5684A, PIP5684B, and PIP5684C. Example: https://static.nhtsa.gov/odi/tsbs/2020/MC-10182564-9999.pdf

19. Frequently asked questions

What does the verified evidence say about P2598?

It shows P2598 as one of several possible history or current DTCs in GM bulletin PIP5684 revisions. The bulletin says the concern may be due to a leak in the charge air cooler / induction systems.

What does GM instruct technicians to do?

Follow SI diagnostics. If no cause is found or a leak check is required, the bulletin says a GE-52250 power smoke diagnostic leak detector can be helpful in locating leaks.

Is P2598 confirmed as an EV high-voltage or charging-system fault?

No. That is not established by the supplied verified evidence.

Which vehicles are in the supplied applicability data?

Chevrolet Bolt EV, Spark, and Volt, model years 2011 through 2018, US region. The supplied bulletin summaries do not independently establish exact vehicle applicability for P2598.

20. Sources & verification

ReferenceVerified
Chevrolet P2598: The technician should follow SI diagnostics. If no… | EV Diagnostics