AutoCodes – Generic – P1373

P1373 Code - Ignition Coil Cylinder 3 Early Activation Fault

Quick Answer

P1373 indicates Ignition Coil Cylinder 3 Early Activation Fault. Common causes include Faulty Ignition Coil, Ignition Coil harness is open or shorted, Ignition Coil 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: P1373 indicates Ignition Coil Cylinder 3 Early Activation Fault.
Common causes: Common causes include Faulty Ignition Coil, Ignition Coil harness is open or shorted, Ignition Coil 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 15,058

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 Aug 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1373 Description

OBDII Code P1373 - Ignition Coil Cylinder 3 Early Activation Fault - AutoCodes.com — P1373 Code - Ignition Coil Cylinder 3 Early Activation Fault

What does this mean?

What are the Possible Causes of the DTC P1373?

Faulty Ignition Coil
Ignition Coil harness is open or shorted
Ignition Coil circuit poor electrical connection

How to Fix the DTC P1373?

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 P1373 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 P1373 code?

Need more information on how to fix the P1373 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P1373 Audi — Cylinder 7 Ignition Circuit Open
P1373 Jaguar — Ignition Coil Cylinder 3 Early Activation
P1373 Volkswagen — Cylinder 7 Ignition Circuit Open

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.