AutoCodes – Generic – P1235

P1235 Code - Fuel Pump Control Out Of Range

Quick Answer

The P1235 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). Common causes include Faulty Fuel Pump Drive Module (FPDM), FPDM harness is open or shorted, FPDM 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: P1235 indicates Fuel Pump Control Out Of Range.
Common causes: Common causes include Faulty Fuel Pump Drive Module (FPDM), FPDM harness is open or shorted, FPDM 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 67,030

How popular is this code, among other codes? Medium

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 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1235 Description

The P1235 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). The FPDM sends a message to the PCM through the FPM circuit, indicating this failure was detected. The PCM sets the DTC when the message is received.

OBDII Code P1235 - Fuel Pump Control Out Of Range - AutoCodes.com — P1235 Code - Fuel Pump Control Out Of Range

What does this mean?

What are the Possible Causes of the DTC P1235?

Faulty Fuel Pump Drive Module (FPDM)
FPDM harness is open or shorted
FPDM circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1235?

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 P1235 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 P1235 code?

Need more information on how to fix the P1235 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1235 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1235 Buick — Injector 5 Output Circuit
P1235 Cadillac — Injector 5 Output Circuit
P1235 Chevrolet — Injector 5 Output Circuit
P1235 Ford — Fuel Pump Control Out of Range
P1235 GMC — Injector 5 Output Circuit
P1235 Infiniti — Throttle Position Sensor Circuit Range/Performance
P1235 Lexus — High Pressure Fuel Pump Circuit
P1235 Lincoln — Fuel Pump Control Out of Range
P1235 Mazda — Fuel Pump Driver Module Disabled Or Off Line
P1235 Mercury — Fuel Pump Control Out of Range
P1235 Mitsubishi — MASS Airflow Sensor Plausibility
P1235 Nissan — Throttle Position Sensor Circuit Range/Performance
P1235 Toyota — High Pressure Fuel Pump Circuit

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.