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Jaguar B1479-72

Actuator Stuck Open Status: • Follow TOPIx & PATHFINDER Guided Diagnostics for guidance • Check the PSDB for electrical concerns (short circuit, open circuit, high resistance) • Cl

Common search variants: B147972 · B1479 72 · B1479_72 · Search ignores case and common separators.

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceJaguar service support is appropriate because the verified manufacturer communication directs use of TOPIx and PATHFINDER Guided Diagnostics. Whether service is required is not otherwise established by verified evidence.
Confidence95%

Quick answer

For 2019–2020 Jaguar I-PACE vehicles in the US, DTC B1479-72 is documented as “Actuator Stuck Open Status” in the Gateway Module (GWM), associated with the Power Supply Distribution Box (PSDB). Jaguar’s published direction is to use TOPIx and PATHFINDER Guided Diagnostics and inspect the PSDB for electrical concerns.

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 B1479-72 mean?

For 2019–2020 Jaguar I-PACE vehicles in the US, DTC B1479-72 is documented as “Actuator Stuck Open Status” in the Gateway Module (GWM), associated with the Power Supply Distribution Box (PSDB). Jaguar’s published direction is to use TOPIx and PATHFINDER Guided Diagnostics and inspect the PSDB for electrical concerns.

2. Technical explanation

NHTSA-hosted Jaguar manufacturer communication 10178142 (SFCC Jul20_13), published July 20, 2020, states that B1479-72 may be stored in the GWM for “PSDB-Actuator Stuck Open Status.” The communication links this code with a Hybrid System Malfunction warning on the instrument cluster. It directs technicians to follow TOPIx and PATHFINDER Guided Diagnostics, check the PSDB for short circuits, open circuits, or high resistance, clear the DTC, lock the vehicle for two minutes, unlock it, and retest. If the fault remains, the bulletin says to follow the TOPIx steps.

3. What system is affected?

Gateway Module (GWM) / Power Supply Distribution Box (PSDB).

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • A “Hybrid System Malfunction” warning on the instrument cluster is documented in the Jaguar manufacturer communication.
  • B1479-72 may be stored in the GWM.

6. Possible causes

  • Electrical concerns at the PSDB, including a short circuit, open circuit, or high resistance, are specifically identified for checking.
  • Any more specific root cause is 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 Jaguar TOPIx and PATHFINDER Guided Diagnostics.
  • Do not attempt high-voltage or PSDB electrical repair without appropriately trained service personnel and the manufacturer diagnostic process.

10. Step-by-step troubleshooting

  1. Use TOPIx and PATHFINDER Guided Diagnostics for B1479-72.
  2. Check the PSDB for electrical concerns, including short circuit, open circuit, and high resistance.
  3. Clear the DTC, lock the vehicle, wait two minutes, unlock the vehicle, and retest.
  4. If the fault persists, follow the applicable TOPIx diagnostic steps.

11. When to contact service

Jaguar service support is appropriate because the verified manufacturer communication directs use of TOPIx and PATHFINDER Guided Diagnostics. Whether service is required is not otherwise established by verified evidence.

12. What the service center may check

  • Retrieve and evaluate B1479-72 in the GWM.
  • Inspect the PSDB for short-circuit, open-circuit, and high-resistance electrical concerns.
  • Perform the documented clear, lock-for-two-minutes, unlock, and retest procedure.
  • Continue with TOPIx steps if the DTC persists.

13. Possible repair or resolution

  • A specific repair resolution is not yet established by the supplied verified evidence.
  • The supplied bulletin indicates that persistent faults should be addressed through the applicable TOPIx diagnostic process.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10178142: SFCC Jul20_13, published July 20, 2020. It addresses a Hybrid System Malfunction warning and B1479-72 in the GWM for PSDB-Actuator Stuck Open Status on 2019–2020 Jaguar I-PACE vehicles.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA-hosted Jaguar manufacturer communication 10178142, “SFCC Jul20_13,” published July 20, 2020: https://static.nhtsa.gov/odi/tsbs/2020/MC-10178142-0001.pdf

19. Frequently asked questions

What does Jaguar code B1479-72 mean?

For the documented I-PACE application, it means “Actuator Stuck Open Status” and is stored in the GWM for the PSDB.

What warning may appear with B1479-72?

The verified Jaguar communication identifies a “Hybrid System Malfunction” warning on the instrument cluster.

Which vehicles are covered by the supplied evidence?

Jaguar I-PACE, model years 2019–2020, US region.

Can I drive or charge with B1479-72?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jaguar B1479-72: Actuator Stuck Open Status: • Follow TOPIx &… | EV Diagnostics