Verified EV diagnostic knowledge page

Chevrolet P0D4F

Customer Concern Not Duplicated (CCND) Customer states the engine wont crank or start. Performed related system verification procedure in SI with no DTCs found and unable to duplic

DriveNot yet established by verified evidence. The cited example states that the vehicle was moving at the time of evaluation, but it does not provide a general driving-safety determination.
ChargeNot yet established by verified evidence. One verified example involved a customer-reported inability to charge, while another charging concern could not be duplicated and charging/system operation was verified.
ServiceContact an authorized Chevrolet service provider for diagnosis, particularly if charging is unavailable, a message is displayed, or P0D4F is active. The supplied evidence does not establish urgency or whether towing is required.
Confidence95%

Quick answer

For the supplied Chevrolet applications, P0D4F is documented in official GM bulletin 22-NA-038 as an active code in an EV no-charge case together with P0D40. In that example, the charger module was replaced and proper operation was verified. The supplied diagnostic title also identifies a separate Customer Concern Not Duplicated (CCND) scenario involving a reported no-crank/no-start condition where verification found no DTCs and could not duplicate the concern.

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 P0D4F mean?

For the supplied Chevrolet applications, P0D4F is documented in official GM bulletin 22-NA-038 as an active code in an EV no-charge case together with P0D40. In that example, the charger module was replaced and proper operation was verified. The supplied diagnostic title also identifies a separate Customer Concern Not Duplicated (CCND) scenario involving a reported no-crank/no-start condition where verification found no DTCs and could not duplicate the concern.

2. Technical explanation

Verified evidence does not establish one universal fault meaning, root cause, or repair for P0D4F. Bulletin 22-NA-038 includes an example in which a customer reported that an EV would not charge and displayed a message. The vehicle was moving at the time of evaluation, active P0D4F and P0D40 were found, the charger module was replaced, and proper operation was verified. The same bulletin also contains CCND guidance for a reported engine no-crank/no-start concern when the related system verification found no DTCs and the concern could not be duplicated. The supplied evidence does not establish that every P0D4F event requires charger-module replacement or that P0D4F itself causes a no-crank/no-start condition.

3. What system is affected?

Hybrid/EV Electronics & Charging is the system group identified in the verified bulletin example involving P0D4F. The supplied diagnostic record itself does not provide a confirmed system name.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • A reported inability to charge and a displayed message are documented in one official bulletin example with active P0D4F and P0D40.
  • A reported no-crank/no-start concern is included in the supplied diagnostic title and bulletin CCND material, but the supplied evidence does not establish it as a symptom caused by P0D4F.
  • In the bulletin's no-charge example, the vehicle was moving when evaluated.
  • No warning lights or DTCs were present in a separate unable-to-duplicate charging-concern example in the bulletin.

6. Possible causes

  • Not yet established by verified evidence. The cited bulletin documents a charger-module replacement that resolved one case with active P0D4F and P0D40, but it does not establish a universal root cause for P0D4F.

7. Can I still drive the vehicle?

Not yet established by verified evidence. The cited example states that the vehicle was moving at the time of evaluation, but it does not provide a general driving-safety determination.

8. Can I charge the vehicle?

Not yet established by verified evidence. One verified example involved a customer-reported inability to charge, while another charging concern could not be duplicated and charging/system operation was verified.

9. What you can safely do

  • Use the vehicle's official service process for diagnosis.
  • If charging is unavailable or a message is displayed, arrange evaluation by an authorized Chevrolet service provider.
  • Do not attempt high-voltage or charger-module repair yourself.

10. Step-by-step troubleshooting

  1. Verify the reported concern using the related system verification procedure in Service Information (SI), as referenced by bulletin 22-NA-038.
  2. Check for active DTCs and document applicable DTC numbers in the repair verbatim, as directed by the bulletin's CCND guidance.
  3. The supplied evidence does not establish additional owner-performed diagnostic steps.

11. When to contact service

Contact an authorized Chevrolet service provider for diagnosis, particularly if charging is unavailable, a message is displayed, or P0D4F is active. The supplied evidence does not establish urgency or whether towing is required.

12. What the service center may check

  • Perform the related SI system-verification procedure for the reported concern.
  • Check for active DTCs.
  • For CCND documentation, record applicable DTC numbers in the verbatim when applicable.
  • In the documented no-charge example, active P0D4F and P0D40 were found.

13. Possible repair or resolution

  • In one official bulletin example involving an EV that would not charge, displayed a message, and had active P0D4F and P0D40, the charger module was replaced and proper operation was verified.
  • Not yet established by verified evidence whether charger-module replacement applies to other P0D4F cases.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM/Chevrolet bulletin 22-NA-038, published through NHTSA manufacturer communications on April 25, 2022, December 7, 2022, and October 2, 2023. It contains Customer Concern Not Duplicated (CCND) guidance and a Hybrid/EV Electronics & Charging example with P0D4F and P0D40.
  • Official source: https://static.nhtsa.gov/odi/tsbs/2023/MC-10244276-0001.pdf

16. Recall information

  • Not yet established by verified evidence. No recall information was supplied.

17. Official manufacturer information

Verified source: NHTSA-hosted GM manufacturer communication, bulletin 22-NA-038: https://static.nhtsa.gov/odi/tsbs/2023/MC-10244276-0001.pdf

19. Frequently asked questions

What does P0D4F mean on the supplied Chevrolet applications?

The supplied diagnostic record labels it with CCND no-crank/no-start wording, while the verified bulletin documents P0D4F as an active code in a separate EV no-charge example with P0D40. A single universal fault meaning is not established by the supplied evidence.

Does P0D4F mean the charger module must be replaced?

No universal requirement is established. The charger module was replaced and proper operation verified in one documented no-charge case with active P0D4F and P0D40.

Is it safe to drive or charge?

Not yet established by verified evidence. The bulletin notes that one vehicle was moving at evaluation, but it gives no general drive-safety or charge-safety determination.

20. Sources & verification

ReferenceVerified
Chevrolet P0D4F: Customer Concern Not Duplicated (CCND) Customer… | EV Diagnostics