AutoCodes – Jeep – P1D61 Jeep

P1D61 Jeep Code - Internal Controller Power Supply Failure

Quick Answer

This diagnostic detects if the power supply to valve actuators is shorted to ground or to battery. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1D61 Jeep indicates Internal Controller Power Supply Failure.
Common causes
Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 1,632
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 14, 2020
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Code P1D61 Jeep Description

This diagnostic detects if the power supply to valve actuators is shorted to ground or to battery. The diagnostic also compares this power supply to the Safety Micro Processor (SMP) power supply. When the valve actuators power supply has an electric fault or its voltage deviates from the SMP power supply, the diagnostic will be considered failing.
OBDII Code P1D61 Jeep - Internal Controller Power Supply Failure - AutoCodes.com
P1D61 Jeep Code - Internal Controller Power Supply Failure

What are the Possible Causes of the DTC P1D61 Jeep?

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module (TCM) harness is open or shorted
  • Transmission Control Module (TCM) circuit poor electrical connection

How to Fix the DTC P1D61 Jeep?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1D61 Jeep code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1D61 Jeep code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1D61 Jeep Code

1. What does the OBDII code P1D61 mean on a Jeep?

The P1D61 code indicates an "Internal Controller Power Supply Failure," which points to an issue with the power supply circuit within the transmission control module (TCM).

2. What are the symptoms of code P1D61 in a Jeep?

Common symptoms include a check engine light, erratic shifting, transmission stuck in limp mode, or reduced vehicle performance.

3. What causes the P1D61 code to appear in a Jeep?

The code is usually triggered by internal TCM power supply failure, wiring problems, damaged connectors, or a short circuit.

4. Can I drive my Jeep with the P1D61 code?

Driving with this code is not recommended, as it can lead to transmission performance issues or further damage if not addressed promptly.

5. How do you diagnose the P1D61 code on a Jeep?

Diagnosis involves checking the TCM for error codes, inspecting the wiring and connectors, and testing the internal power supply circuits of the TCM.

6. What repairs are needed to fix the P1D61 code in a Jeep?

Repairs may include replacing the TCM, repairing damaged wiring or connectors, or addressing any short circuits in the power supply circuit.

7. How much does it cost to fix the P1D61 code on a Jeep?

The cost can vary depending on whether the TCM requires replacement, typically ranging from $500 to $1,500, including labor.

8. Can resetting the code fix the P1D61 issue in a Jeep?

Simply resetting the code without addressing the root cause is not a fix and will likely result in the code returning.

9. Is the P1D61 code specific to Jeep vehicles?

While P1D61 is more commonly reported in Jeep models, it may also apply to other FCA (Fiat Chrysler Automobiles) vehicles with similar powertrain systems.

10. Can a low battery cause the P1D61 code in a Jeep?

A low or failing battery can sometimes contribute to power supply issues, but the underlying cause is typically within the TCM itself.

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