EV Diagnostics
Verified EV diagnostic knowledge page

Genesis P0748

19-AT-008G Page 12 of 12 31. Input the 8-digit code recorded in Step 10 in the blank spaces in the GDS. Select OK. Input the 8 digit code again and select OK. The GDS will confirm

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not established by the supplied evidence. A Genesis-qualified service provider can determine applicability and follow the relevant official procedure.
Confidence95%

Quick answer

For Genesis G80 vehicles in the supplied applicability data, P0748 is referenced in official Genesis automatic-transaxle solenoid DTC service bulletins. The supplied evidence does not establish a reliable plain-language definition of P0748, its symptoms, cause, severity, or whether the vehicle is safe to drive or charge.

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 P0748 mean?

For Genesis G80 vehicles in the supplied applicability data, P0748 is referenced in official Genesis automatic-transaxle solenoid DTC service bulletins. The supplied evidence does not establish a reliable plain-language definition of P0748, its symptoms, cause, severity, or whether the vehicle is safe to drive or charge.

2. Technical explanation

P0748 appears in Genesis official TSBs 23-AT-001G and 19-AT-008G under an ATM (automatic transaxle) solenoid DTC notice. The documented procedure includes GDS diagnostic-tool steps, including an Automatic Transaxle Oil Pressure Characteristics Input procedure for specified replacement solenoids and confirmation by a drive test. The evidence supplied does not state that P0748 itself requires replacement of a particular solenoid, nor does it provide a code-definition statement.

3. What system is affected?

Automatic transaxle (ATM) / solenoid diagnostic-service context.

4. How serious is this code?

Not yet established by verified evidence.

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?

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 Genesis service information and GDS diagnostic equipment.
  • Do not perform high-voltage or transmission repair procedures based solely on this code page.

10. Step-by-step troubleshooting

  1. Verify the stored DTC with an appropriate diagnostic scan tool.
  2. For an applicable vehicle, consult Genesis TSB 23-AT-001G or 19-AT-008G. The supplied evidence documents GDS-guided automatic-transaxle service steps and a post-procedure drive confirmation.
  3. The supplied evidence does not establish additional diagnostic steps specific to P0748.

11. When to contact service

Service need is not established by the supplied evidence. A Genesis-qualified service provider can determine applicability and follow the relevant official procedure.

12. What the service center may check

  • Confirm whether the vehicle falls within the applicable Genesis G80 model-year and US-market coverage in the supplied data.
  • Check the DTC using GDS or an appropriate scan tool.
  • Where the official procedure applies, perform the documented GDS procedure and confirm operation with the specified drive test.

13. Possible repair or resolution

  • The verified bulletins document GDS confirmation steps and a drive test after the applicable procedure.
  • A specific repair for P0748 is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Genesis TSB 23-AT-001G, published March 20, 2023: ATM Solenoid DTC notice that includes P0748. NHTSA manufacturer communication 10233543: https://static.nhtsa.gov/odi/tsbs/2023/MC-10233543-0001.pdf
  • Genesis TSB 19-AT-008G, published April 8, 2019: ATM Solenoid DTC notice that includes P0748. NHTSA manufacturer communication 10253024: https://static.nhtsa.gov/odi/tsbs/2019/MC-10253024-0001.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Supplied applicability identifies US-market Genesis G80 model years 2023–2024 and 2023. The supplied sources are NHTSA-hosted Genesis manufacturer communications, not recall notices.

19. Frequently asked questions

What does P0748 mean on a Genesis G80?

The supplied verified evidence places P0748 in an automatic-transaxle solenoid DTC bulletin context. A plain-language code definition is not yet established by the supplied evidence.

Is P0748 covered by a Genesis service bulletin?

P0748 is listed in Genesis TSBs 23-AT-001G and 19-AT-008G. Actual bulletin applicability must be verified for the specific vehicle.

Can I drive with P0748?

Not yet established by verified evidence.

Does P0748 affect EV charging?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Genesis P0748: 19-AT-008G Page 12 of 12 31. Input the 8-digit code… | EV Diagnostics