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P1D5D Chrysler Code - Sensor Ground Reference 2 Circuit

Quick Answer

This diagnostic checks for a loss of connection of the sensor ground reference. Common causes include Sensor Ground Circuit Open or High Resistance, Sensor Ground Circuit Shorted to voltage, Faulty Transmission Control Module (TCM). 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
P1D5D Chrysler indicates Sensor Ground Reference 2 Circuit.
Common causes
Common causes include Sensor Ground Circuit Open or High Resistance, Sensor Ground Circuit Shorted to voltage, Faulty Transmission Control Module (TCM).
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 889
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Apr 14, 2020
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Code P1D5D Chrysler Description

This diagnostic checks for a loss of connection of the sensor ground reference. The common ground reference is provided to all sensors by the Transmission Control Module (TCM) via three different connector pins, named GNDSENS1, GNDSENS2 and GNDSENS3. In order to ensure that the system continues to work properly even if one of the ground pin is disconnected, the most critical sensors have their ground reference connected to both GNDSENS1 and GNDSENS2, so that only a loss of connection of both pins will cause a loss of ability to shift gears. These sensors are the gate select position sensor, the odd and even clutch speed sensors, all the gear actuator position sensors and the even clutch pressure sensor. The odd clutch position sensor, the hydraulic pressure sensor and the park position sensor have instead their ground reference connected to GNDSENS3. When a loss of connection of both GNDSENS1 and GNDSENS2 or only GNDSENS3 is detected, the diagnostic will set a fault in the TCM.
OBDII Code P1D5D Chrysler - Sensor Ground Reference 2 Circuit - AutoCodes.com
P1D5D Chrysler Code - Sensor Ground Reference 2 Circuit
What does this mean?

What are the Possible Causes of the DTC P1D5D Chrysler?

  • Sensor Ground Circuit Open or High Resistance
  • Sensor Ground Circuit Shorted to voltage
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P1D5D Chrysler?

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 P1D5D Chrysler 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.

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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 P1D5D Chrysler Code

1. What does the OBDII code P1D5D mean in a Chrysler vehicle?

P1D5D indicates an issue with the Sensor Ground Reference 2 Circuit, which provides a stable ground for certain sensors in the vehicle.

2. What are the common symptoms of the P1D5D code?

Symptoms may include the check engine light turning on, poor engine performance, erratic sensor readings, or failure of certain systems relying on the affected sensors.

3. What causes the P1D5D code to appear?

Common causes include damaged wiring, corroded or loose ground connections, a malfunctioning sensor, or issues with the engine control module (ECM).

4. How can I diagnose the P1D5D code?

Diagnosis involves inspecting the wiring and connectors for damage, checking the ground circuit for continuity, and testing the affected sensors and ECM for proper function.

5. Can I still drive my car with the P1D5D code active?

While the car may still be drivable, ignoring the issue could lead to further sensor failures or performance issues. It’s best to address the problem promptly.

6. What tools are needed to fix the P1D5D code?

You’ll need an OBDII scanner, a multimeter for testing circuits, and potentially wiring repair tools if damage is found.

7. How do I fix the P1D5D code?

Repairs may involve repairing or replacing damaged wiring, cleaning or tightening ground connections, or replacing a faulty sensor or ECM if necessary.

8. How much does it cost to repair the P1D5D code?

Repair costs vary depending on the cause but typically range from $50 for minor wiring repairs to $500 or more for sensor or ECM replacement.

9. Can low battery voltage cause the P1D5D code?

Yes, low battery voltage or electrical system issues can affect ground reference circuits and trigger the P1D5D code.

10. Is the P1D5D code specific to Chrysler vehicles?

Yes, this specific code is manufacturer-specific to Chrysler vehicles and may not apply to other makes or models.

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