AutoCodes – Cadillac – P3260 Cadillac

P3260 Cadillac Code - Internal Control Module Drive Motor Control Performance

Quick Answer

The hybrid/EV powertrain control module 1 monitors for the engine speed and drive motor torque to go below calibrated limits when the transmission is shifted into Neutral. Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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: P3260 Cadillac indicates Internal Control Module Drive Motor Control Performance.
Common causes: Common causes include Faulty Power Inverter Module, Power Inverter Module harness is open or shorted, Power Inverter 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 43

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 Nov 05, 2025

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P3260 Cadillac Description

The hybrid/EV powertrain control module 1 monitors for the engine speed and drive motor torque to go below calibrated limits when the transmission is shifted into Neutral. The hybrid/EV powertrain control module 1 is part of the drive motor generator power inverter module and is not serviced separately.

OBDII Code P3260 Cadillac - Internal Control Module Drive Motor Control Performance - AutoCodes.com — P3260 Cadillac Code - Internal Control Module Drive Motor Control Performance

What does this mean?

What are the Possible Causes of the DTC P3260 Cadillac?

Faulty Power Inverter Module
Power Inverter Module harness is open or shorted
Power Inverter Module circuit poor electrical connection

How to Fix the DTC P3260 Cadillac?

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 P3260 Cadillac 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.