AutoCodes – Generic – P1357

P1357 Code - Ignition Diagnostic Monitor Pulsewidth Not Defined

Quick Answer

P1357 indicates Ignition Diagnostic Monitor Pulsewidth Not Defined. Common causes include Faulty Pick-up coil or crankshaft position sensor, Faulty Ignition Control Module. 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: P1357 indicates Ignition Diagnostic Monitor Pulsewidth Not Defined.
Common causes: Common causes include Faulty Pick-up coil or crankshaft position sensor, Faulty Ignition Control Module.
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 6,177

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1357 Description

OBDII Code P1357 - Ignition Diagnostic Monitor Pulsewidth Not Defined - AutoCodes.com — P1357 Code - Ignition Diagnostic Monitor Pulsewidth Not Defined

What does this mean?

What are the Possible Causes of the DTC P1357?

Faulty Pick-up coil or crankshaft position sensor
Faulty Ignition Control Module

How to Fix the DTC P1357?

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 P1357 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 P1357 code?

Need more information on how to fix the P1357 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P1357 Audi — Ignition Circuit Cylinder 1 Short to Ground
P1357 BMW — Misfire Cylinder 8 With Fuel Cut-Off
P1357 Buick — Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
P1357 Cadillac — Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
P1357 Chevrolet — Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
P1357 Ford — Ignition Diagnostic Monitor Pulsewidth Not Defined
P1357 GMC — Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
P1357 Hyundai — #7 MF Signal Line Open
P1357 Lincoln — Ignition Diagnostic Monitor Pulsewidth Not Defined
P1357 Mercury — Ignition Diagnostic Monitor Pulsewidth Not Defined
P1357 Volkswagen — Ignition Circuit Cylinder 1 Short to Ground

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.