AutoCodes – Generic – P253D

P253D Code - Power Take-Off Relay Feedback Circuit High Voltage

Quick Answer

The Power Take-Off (PTO) is an upfitter integrated system that allows the user to create an auxiliary power source. Common causes include Faulty Power Take-Off Module (PTOM), Power Take-Off Module harness is open or shorted, Power Take-Off Module 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: P253D indicates Power Take-Off Relay Feedback Circuit High Voltage.
Common causes: Common causes include Faulty Power Take-Off Module (PTOM), Power Take-Off Module harness is open or shorted, Power Take-Off Module 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 3,767

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 21, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P253D Description

The Power Take-Off (PTO) is an upfitter integrated system that allows the user to create an auxiliary power source. The PTO system specifically controls engine speed to values higher than normal base idle, PTO load relay engagement, and remote starting and shutdown of the engine. When the operator requests PTO using either the PTO switch or PTO remote, the engine RPM will increase to a default standby speed. The Engine Control Module (ECM) converts the data from the engine speed sensor to a 2 pulses/engine revolution signal. When PTO is engaged, the Power Take-Off Module (PTOM) sends a General Motors Local Area Network (GMLAN) serial data message to the ECM requesting engine speeds, in response to signals from the PTO switch or remote.
The Diagnostic Trouble Code (DTC) will be set when the PTOM detects a high voltage signal at the PTO engage signal circuit.

OBDII Code P253D - Power Take-Off Relay Feedback Circuit High Voltage - AutoCodes.com — P253D Code - Power Take-Off Relay Feedback Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P253D?

Faulty Power Take-Off Module (PTOM)
Power Take-Off Module harness is open or shorted
Power Take-Off Module circuit poor electrical connection

How to Fix the DTC P253D?

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 P253D 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 P253D code?

Need more information on how to fix the P253D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P253D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P253D Buick — Power Take-Off Relay Feedback Circuit High Voltage
P253D Cadillac — Power Take-Off Relay Feedback Circuit High Voltage
P253D Chevrolet — Power Take-Off Relay Feedback Circuit High Voltage
P253D GMC — Power Take-Off Relay Feedback Circuit High Voltage

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 P253D Code

What does the OBDII code P253D mean?

P253D indicates that the Power Take-Off (PTO) Relay Feedback Circuit is detecting a high voltage condition, which can disrupt PTO operation.

What are the common symptoms of code P253D?

Symptoms may include the PTO system not engaging, a check engine light illuminated, or erratic operation of PTO-related components.

What causes the P253D code to appear?

The code can be triggered by a faulty PTO relay, damaged wiring or connectors in the feedback circuit, or issues with the powertrain control module (PCM).

Can I continue driving with the P253D code?

While the vehicle may still be drivable, PTO functionality may be impaired. It’s best to diagnose and fix the issue promptly to avoid further electrical damage.

How do I diagnose the P253D code?

Start by inspecting the PTO relay and its wiring for damage or corrosion. Use a multimeter to check voltage levels in the circuit and ensure proper connectivity.

What tools are required to fix code P253D?

You may need basic tools such as a multimeter, wiring diagram, and possibly a replacement PTO relay, depending on the root cause.

How do I fix the P253D code?

Common fixes include replacing the PTO relay, repairing damaged wiring or connectors, and clearing the code with an OBDII scanner after repairs.

Is the P253D code specific to certain vehicles?

While it is more commonly seen in vehicles equipped with PTO systems, the exact interpretation and troubleshooting steps may vary by manufacturer.

What is the PTO system, and why is it important?

The PTO system allows the vehicle to transfer engine power to auxiliary equipment, such as hydraulic systems or generators, often used in work trucks and utility vehicles.

How much does it typically cost to repair the P253D code?

Repair costs can vary but often range from $50 to $150 for basic fixes like relay replacement, with higher costs for extensive wiring repairs or PCM issues.