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Jeep P1D72

00 Open High Voltage Cable

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate because the code is associated in verified manufacturer communications with a possible no-start condition and a Service High Voltage System warning. Do not perform high-voltage repairs yourself.
Confidence95%

Quick answer

Jeep DTC P1D72-00 means “Open High Voltage Cable.” Verified manufacturer communications associate it with a vehicle that may not start, a check-engine light, and—in one communication—a “Service High Voltage System” warning.

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 P1D72 mean?

Jeep DTC P1D72-00 means “Open High Voltage Cable.” Verified manufacturer communications associate it with a vehicle that may not start, a check-engine light, and—in one communication—a “Service High Voltage System” warning.

2. Technical explanation

The verified diagnostic meaning for P1D72-00 is “Open High Voltage Cable.” This code concerns the vehicle high-voltage system. The supplied evidence does not establish the specific failed component, test procedure, or repair.

3. What system is affected?

High-voltage system / high-voltage cable circuit.

4. How serious is this code?

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

5. Symptoms you may notice

  • Vehicle may not start.
  • Check-engine light may be on.
  • “Service High Voltage System” warning may be displayed.

6. Possible causes

  • An open high-voltage cable condition is indicated by DTC P1D72-00.
  • The underlying physical 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

  • Do not attempt high-voltage cable inspection, disconnection, or repair.
  • Arrange diagnosis by a qualified Jeep service facility, particularly if the vehicle will not start or displays a Service High Voltage System warning.

10. Step-by-step troubleshooting

  1. Confirm the stored code is P1D72-00 using suitable diagnostic equipment.
  2. Have a qualified service facility follow applicable manufacturer diagnostic information. Specific diagnostic steps are not provided in the verified evidence.

11. When to contact service

Service is appropriate because the code is associated in verified manufacturer communications with a possible no-start condition and a Service High Voltage System warning. Do not perform high-voltage repairs yourself.

12. What the service center may check

  • Retrieve and document all stored DTCs.
  • Assess P1D72-00 in conjunction with any accompanying high-voltage-system DTCs.
  • Use applicable manufacturer service information. Detailed checks are not established by the supplied evidence.

13. Possible repair or resolution

  • The required repair is not yet established by verified evidence.
  • High-voltage system repair should be performed by qualified personnel using manufacturer procedures.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10218554 / 08-131-21, published August 5, 2021: reports a customer concern of no start with a check-engine light and may include P1D72-00, P0A0A-00, and P0AA6-00.
  • NHTSA Manufacturer Communication 10240021 / S2308000055, published May 3, 2023: “Vehicle May Not Start, Service High Voltage System Warning Displayed, DTC P1D72-00 Open High Voltage Cable.”

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Verified applicability: US-market 2021–2023 Jeep Grand Cherokee and 2021–2023 Jeep Wrangler. The supplied data also contains a duplicate 2021 Jeep Wrangler applicability record. Official sources: NHTSA manufacturer communications 10218554 and 10240021.

19. Frequently asked questions

What does Jeep code P1D72-00 mean?

It means “Open High Voltage Cable.”

Can P1D72-00 prevent the vehicle from starting?

Yes. Both supplied manufacturer communications associate P1D72-00 with a vehicle that may not start.

What warnings can appear with P1D72-00?

Verified communications mention a check-engine light and, in one communication, a “Service High Voltage System” warning.

Which Jeep vehicles are covered by the supplied applicability evidence?

US-market 2021–2023 Jeep Grand Cherokee and 2021–2023 Jeep Wrangler.

20. Sources & verification

Verified
Jeep P1D72: 00 Open High Voltage Cable | EV Diagnostics