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Cadillac P0AE3

Added Chart and 2025 Model Year

DriveUnknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with P0AE3.
ChargeUnknown. The supplied verified evidence does not establish whether the vehicle is safe to charge with P0AE3.
ServiceService is not explicitly required by the supplied evidence; however, professional diagnosis is appropriate because P0AE3 is referenced in GM bulletin 23-NA-151 and no verified customer-level diagnostic or repair guidance is provided.
Confidence95%

Quick answer

For Cadillac LYRIQ and VISTIQ vehicles within the listed U.S. model-year applicability, P0AE3 is included in GM bulletin 23-NA-151. The supplied evidence does not establish a technical fault definition, symptoms, driving safety, charging safety, or a specific repair for this code.

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 P0AE3 mean?

For Cadillac LYRIQ and VISTIQ vehicles within the listed U.S. model-year applicability, P0AE3 is included in GM bulletin 23-NA-151. The supplied evidence does not establish a technical fault definition, symptoms, driving safety, charging safety, or a specific repair for this code.

2. Technical explanation

The database canonical label for P0AE3 is “Added Chart and 2025 Model Year.” The supplied official bulletin-history evidence shows that GM bulletin 23-NA-151 added P0AE3 during its August 1, 2024 revision and later added a chart and 2025 model-year coverage on August 14, 2024. A later April 2025 version continues to list P0AE3 among the bulletin keywords. This evidence establishes bulletin inclusion, not a standalone technical definition of P0AE3.

3. What system is affected?

Not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with P0AE3.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle is safe to charge with P0AE3.

9. What you can safely do

  • Record the code and any accompanying warning messages.
  • Arrange diagnosis by a Cadillac/GM-qualified service facility.
  • Do not attempt high-voltage battery, wiring, or component repairs yourself.

10. Step-by-step troubleshooting

  1. Have a qualified technician review GM bulletin 23-NA-151 and diagnose P0AE3 using applicable GM service information.
  2. The supplied evidence does not establish a customer-performed diagnostic procedure.

11. When to contact service

Service is not explicitly required by the supplied evidence; however, professional diagnosis is appropriate because P0AE3 is referenced in GM bulletin 23-NA-151 and no verified customer-level diagnostic or repair guidance is provided.

12. What the service center may check

  • Confirm the vehicle’s model year, model, and U.S. applicability.
  • Check for P0AE3 and any accompanying diagnostic trouble codes.
  • Review the current version of GM bulletin 23-NA-151 and applicable GM service information.
  • The specific test sequence and component checks are not established by the supplied evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • GM bulletin 23-NA-151 is documented by NHTSA manufacturer communications. Its August 1, 2024 revision added P0AE3 and P0C78; its August 14, 2024 revision added a chart and 2025 model-year coverage.
  • A later April 9, 2025 version of 23-NA-151 continues to include P0AE3 in its additional SI keywords.
  • The supplied bulletin summaries do not establish the complete procedure, fault mechanism, or repair applicable specifically to P0AE3.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA-hosted GM manufacturer communication, bulletin 23-NA-151. https://static.nhtsa.gov/odi/tsbs/2025/MC-11017886-0001.pdf

19. Frequently asked questions

What does P0AE3 mean on a Cadillac?

The supplied database label is “Added Chart and 2025 Model Year.” The verified bulletin summaries establish that P0AE3 is included in GM bulletin 23-NA-151, but they do not establish a technical fault definition.

Which vehicles are listed as applicable?

The supplied applicability data lists U.S. Cadillac LYRIQ model years 2023–2026 and Cadillac VISTIQ model years 2023–2026. A separate overlapping LYRIQ entry lists 2023–2025.

Can I drive or charge with P0AE3?

Not yet established by verified evidence. The supplied evidence provides no driveability or charging-safety determination.

Is P0AE3 covered by a recall?

No recall is established by the supplied verified evidence.

20. Sources & verification

ReferenceVerified
Cadillac P0AE3: Added Chart and 2025 Model Year | EV Diagnostics