AutoCodes – Cadillac – P1260 Cadillac

P1260 Cadillac Code - Fuel Pump Speed Relay Control Circuit Conditions

Quick Answer

With the key on or engine running, then the Powertrain Control Module (PCM) detects an improper voltage level on the Fuel Pump Speed Control PWM circuit, condition met for at least 30 seconds. Common causes include Faulty Fuel Pump Speed Relay, Fuel Pump Speed Relay harness is open or shorted, Fuel Pump Speed Relay 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: P1260 Cadillac indicates Fuel Pump Speed Relay Control Circuit Conditions.
Common causes: Common causes include Faulty Fuel Pump Speed Relay, Fuel Pump Speed Relay harness is open or shorted, Fuel Pump Speed Relay 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 3,484

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 Jul 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1260 Cadillac Description

With the key on or engine running, then the Powertrain Control Module (PCM) detects an improper voltage level on the Fuel Pump Speed Control PWM circuit, condition met for at least 30 seconds.

OBDII Code P1260 Cadillac - Fuel Pump Speed Relay Control Circuit Conditions - AutoCodes.com — P1260 Cadillac Code - Fuel Pump Speed Relay Control Circuit Conditions

What does this mean?

What are the Possible Causes of the DTC P1260 Cadillac?

Faulty Fuel Pump Speed Relay
Fuel Pump Speed Relay harness is open or shorted
Fuel Pump Speed Relay circuit poor electrical connection

How to Fix the DTC P1260 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 P1260 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.

Need more information about the P1260 Cadillac 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.