AutoCodes – Generic – P1293

P1293 Code - High Side Open Bank No. 1

Quick Answer

The Injector Driver Module (IDM) is capable of detecting individual injectors open and shorts to either ground or power while the engine is running. Common causes include Faulty Injector Driver Module (IDM), Injector Driver Module harness is open or shorted, Injector Driver Module 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: P1293 indicates High Side Open Bank No. 1.
Common causes: Common causes include Faulty Injector Driver Module (IDM), Injector Driver Module harness is open or shorted, Injector Driver Module 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 45,665

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 Aug 24, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1293 Description

The Injector Driver Module (IDM) is capable of detecting individual injectors open and shorts to either ground or power while the engine is running. IDM is also capable of detecting right or left bank high side circuit opens or shorts to ground. The Diagnostic Trouble Code (DTC) P1293 indicates an open in high side circuit between Injector Driver Module and fuel injector.

OBDII Code P1293 - High Side Open Bank No. 1 - AutoCodes.com — P1293 Code - High Side Open Bank No. 1

What does this mean?

What are the Possible Causes of the DTC P1293?

Faulty Injector Driver Module (IDM)
Injector Driver Module harness is open or shorted
Injector Driver Module circuit poor electrical connection

How to Fix the DTC P1293?

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 P1293 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.

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Information for Specific Makes

P1293 Audi — Engine Coolant Thermostat Short To Positive
P1293 Chevrolet — Injector Circuit Low To High Current Transition Time Bank 1
P1293 Chrysler — Compressed Natural Gas Pressure Sensor Signal Too Low
P1293 Dodge — Compressed Natural Gas Pressure Sensor Signal Too Low
P1293 Ford — High Side Open Bank No. 1
P1293 GMC — Injector Circuit Low To High Current Transition Time Bank 1
P1293 Isuzu — High Side Open Bank No. 1
P1293 Volkswagen — Engine Coolant Thermostat Short To Positive

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.