EV Diagnostics
Verified EV diagnostic knowledge page

Ford P0022

14 of the Workshop Manual

DriveUnknown. The supplied diagnostic record lists safe-to-drive status as unknown.
ChargeUnknown. The supplied diagnostic record lists safe-to-charge status as unknown.
ServiceService need is unknown in the supplied diagnostic record. Because the verified source specifies a Ford diagnostic procedure for P0022, qualified Ford service diagnosis is appropriate if the MIL is illuminated.
Confidence95%

Quick answer

Ford DTC P0022 is referenced by Ford/NHTSA communication SSM 54366 as a possible reason for an illuminated malfunction indicator lamp (MIL). The communication directs technicians to Pinpoint Test HK in the Powertrain Control/Emissions Diagnosis (PC/ED) information or Workshop Manual Section 303-14.

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.

5 Causes and Fixes Ford P0022 Code (F150 3.5L V6; 5.0L V8; Mustang 2.3-Liter EcoBoost)HVAC Mechanic
Ford P0022 Code Causes and FixesCar_Fix_DTC

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

1. What does P0022 mean?

Ford DTC P0022 is referenced by Ford/NHTSA communication SSM 54366 as a possible reason for an illuminated malfunction indicator lamp (MIL). The communication directs technicians to Pinpoint Test HK in the Powertrain Control/Emissions Diagnosis (PC/ED) information or Workshop Manual Section 303-14.

2. Technical explanation

The verified evidence does not provide a component-level definition of P0022. It establishes that P0022 may occur with an illuminated MIL and that Ford directs diagnosis through Pinpoint Test HK in PC/ED or Section 303-14 of the Workshop Manual.

3. What system is affected?

Not yet established by verified evidence. The source directs use of Workshop Manual Section 303-14 and PC/ED Pinpoint Test HK.

4. How serious is this code?

Unknown. The supplied diagnostic record lists severity as unknown.

5. Symptoms you may notice

  • Illuminated malfunction indicator lamp (MIL).

6. Possible causes

  • Not yet established by verified evidence. The supplied Ford/NHTSA communication identifies P0022 as a listed DTC but does not state a cause.

7. Can I still drive the vehicle?

Unknown. The supplied diagnostic record lists safe-to-drive status as unknown.

8. Can I charge the vehicle?

Unknown. The supplied diagnostic record lists safe-to-charge status as unknown.

9. What you can safely do

  • Arrange qualified diagnostic service using Ford PC/ED Pinpoint Test HK or Workshop Manual Section 303-14.
  • Do not attempt high-voltage repair procedures based on this information.

10. Step-by-step troubleshooting

  1. A qualified technician should follow Pinpoint Test HK in Ford Powertrain Control/Emissions Diagnosis (PC/ED) information.
  2. The Ford communication also directs technicians to Section 303-14 of the Workshop Manual.

11. When to contact service

Service need is unknown in the supplied diagnostic record. Because the verified source specifies a Ford diagnostic procedure for P0022, qualified Ford service diagnosis is appropriate if the MIL is illuminated.

12. What the service center may check

  • Confirm the stored DTC(s), including P0022.
  • Follow Ford PC/ED Pinpoint Test HK.
  • Use Ford Workshop Manual Section 303-14 as directed in SSM 54366.

13. Possible repair or resolution

  • Not yet established by verified evidence. The supplied source provides diagnostic direction but no verified repair outcome.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11025611, Ford SSM 54366, published November 12, 2025: vehicles may exhibit an illuminated MIL with P0022 and other listed DTCs; directs diagnosis to PC/ED Pinpoint Test HK or Workshop Manual Section 303-14.

16. Recall information

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

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11025611, Ford SSM 54366. https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11025611

19. Frequently asked questions

What does Ford P0022 mean?

The supplied diagnostic record labels it “14 of the Workshop Manual.” The verified Ford/NHTSA communication does not provide a component-level definition.

Can P0022 turn on the check-engine light?

Yes. Ford SSM 54366 states that vehicles may exhibit an illuminated MIL with P0022 among the listed DTCs.

Which vehicles are covered by the supplied applicability data?

Ford C-MAX, Escape, Focus, and Fusion model years 2015 through 2021 in the United States.

What diagnostic information does Ford specify?

Ford specifies Pinpoint Test HK in PC/ED or Section 303-14 of the Workshop Manual.

20. Sources & verification

ReferenceVerified
Ford P0022: 14 of the Workshop Manual | EV Diagnostics