AutoCodes – Generic – P2601

P2601 Code - Coolant Pump 'A' Control Circuit Range/Performance

Quick Answer

The Powertrain Control Module (PCM) monitors the Coolant Pump 'A' Control Circuit signal. Common causes include Faulty Coolant Pump Relay, Faulty Coolant Pump, Coolant Pump harness is open or shorted. 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: P2601 indicates Coolant Pump 'A' Control Circuit Range/Performance.
Common causes: Common causes include Faulty Coolant Pump Relay, Faulty Coolant Pump, Coolant Pump harness is open or shorted.
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 33,786

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 Jan 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2601 Description

The Powertrain Control Module (PCM) monitors the Coolant Pump 'A' Control Circuit signal. The PCM sets the OBDII code when the Coolant Pump 'A' Control Circuit signal is out of factory specifications.

OBDII Code P2601 - Coolant Pump 'A' Control Circuit Range/Performance - AutoCodes.com — P2601 Code - Coolant Pump 'A' Control Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2601?

Faulty Coolant Pump Relay
Faulty Coolant Pump
Coolant Pump harness is open or shorted
Coolant Pump poor electrical connection

How to Fix the DTC P2601?

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 P2601 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 P2601 code?

Need more information on how to fix the P2601 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P2601 Buick — Auxiliary Coolant Pump Performance
P2601 Cadillac — Auxiliary Coolant Pump Performance
P2601 Chevrolet — Auxiliary Coolant Pump Performance
P2601 Dodge — Coolant Pump 'A' Control Circuit Range/Performance
P2601 GMC — Auxiliary Coolant Pump Performance
P2601 Pontiac — Auxiliary Coolant Pump Performance
P2601 Saturn — Auxiliary Coolant Pump Performance
P2601 Toyota — Coolant Pump 'A' Control Circuit Range/Performance

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.