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Jeep C1593

Steering Torque Sensor Circuit. Discussion: If the customer complaint and technicians DTC findings match the above Read through the be

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Jeep dealer or qualified service provider for diagnosis. The supplied official communications concern EPS-related diagnostic findings and do not establish a do-it-yourself repair.
Confidence95%

Quick answer

C1593-00 is a Jeep diagnostic trouble code for a Steering Torque Sensor Circuit. Verified manufacturer communications list it in electric power steering (EPS) diagnostic material.

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 C1593 mean?

C1593-00 is a Jeep diagnostic trouble code for a Steering Torque Sensor Circuit. Verified manufacturer communications list it in electric power steering (EPS) diagnostic material.

2. Technical explanation

The verified code description is “Steering Torque Sensor Circuit.” Official manufacturer communications submitted to NHTSA include C1593-00 among EPS-related diagnostic trouble codes. The supplied evidence does not establish a specific failed part, wiring fault, or repair for an individual vehicle.

3. What system is affected?

Electric Power Steering (EPS) / steering torque sensor circuit.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • A June 2025 official manufacturer communication states that the malfunction indicator lamp (MIL) may illuminate when C1593-00 is active.
  • The same communication states that customers may experience one or more symptoms, but the supplied evidence does not include the specific symptoms.

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 professional diagnosis using the applicable Jeep service information.
  • Record whether C1593-00 is active and retain any accompanying diagnostic trouble codes.
  • Do not attempt high-voltage or EPS component repair based on this information.

10. Step-by-step troubleshooting

  1. Have a qualified technician confirm whether C1593-00 is active.
  2. Have the technician review accompanying EPS-related DTCs. Official communications list C217-00, C221F-00, and C1592-00 alongside C1593-00 in one EPS diagnostic document.
  3. A June 2025 manufacturer communication also lists C0051-64, Steering Angle Sensor (EPS) — Signal Plausibility Failure, with C1593-00 under its stated conditions.
  4. Follow the applicable manufacturer diagnostic procedure; the supplied evidence does not provide the procedure steps.

11. When to contact service

Contact a Jeep dealer or qualified service provider for diagnosis. The supplied official communications concern EPS-related diagnostic findings and do not establish a do-it-yourself repair.

12. What the service center may check

  • Confirm the stored and active DTC status for C1593-00.
  • Review related active EPS DTCs identified in the applicable manufacturer communication.
  • Use the applicable Jeep diagnostic procedure. Specific inspections, measurements, software actions, and component replacements 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

  • NHTSA Manufacturer Communication 11019439: 9100596, published June 2, 2025. Its supplied summary lists C1593-00 among EPS-related DTCs.
  • NHTSA Manufacturer Communication 11019612: 08-185-25, published June 12, 2025. Its supplied summary states that MIL illumination may occur and requires C1593-00 and/or C0051-64 to be active under the bulletin’s stated conditions.
  • NHTSA Manufacturer Communication 11019449: S2523000053, published June 7, 2025; revised as REV.A (11021040, July 23, 2025), REV.B (11035196, July 13, 2026), and REV.C (11036178, August 3, 2026). The supplied summaries list C1593-00 in EPS diagnostic material.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified applicability is 2024–2025 Jeep Wagoneer vehicles in the United States. Official NHTSA-hosted manufacturer communications are listed in the TSB/service-bulletin field.

19. Frequently asked questions

What does Jeep code C1593 mean?

The verified description is “Steering Torque Sensor Circuit.”

Is C1593 an electric power steering code?

Yes. The supplied official manufacturer communications list C1593-00 in EPS-related diagnostic material.

Does C1593 prove that a particular component has failed?

No. The supplied evidence does not establish a specific failed component or root cause.

Does this evidence confirm it is safe to drive or charge?

No. Driveability and charging safety are not established by the supplied verified evidence.

20. Sources & verification

Verified
Jeep C1593: Steering Torque Sensor Circuit. Discussion: If the… | EV Diagnostics