AutoCodes – Audi – P1293 Audi

P1293 Audi Code - Engine Coolant Thermostat Short To Positive

Quick Answer

P1293 Audi indicates Engine Coolant Thermostat Short To Positive. Common causes include Faulty Coolant Thermostat, Faulty Engine Coolant Temperature Sensor, Engine Coolant Temperature Sensor harness is open or shorted. 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 Audi indicates Engine Coolant Thermostat Short To Positive.
Common causes: Common causes include Faulty Coolant Thermostat, Faulty Engine Coolant Temperature Sensor, Engine Coolant Temperature Sensor harness is open or shorted.
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 14,066

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 07, 2019

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

OBDII Code P1293 Audi - Engine Coolant Thermostat Short To Positive - AutoCodes.com — P1293 Audi Code - Engine Coolant Thermostat Short To Positive

What does this mean?

What are the Possible Causes of the DTC P1293 Audi?

Faulty Coolant Thermostat
Faulty Engine Coolant Temperature Sensor
Engine Coolant Temperature Sensor harness is open or shorted
Engine Coolant Temperature Sensor circuit poor electrical connection

How to Fix the DTC P1293 Audi?

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 Audi 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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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.

Frequently Asked Questions about P1293 Audi Code

1. What does the OBDII code P1293 mean on an Audi?

P1293 indicates "Engine Coolant Thermostat Short To Positive," meaning there is an electrical issue in the thermostat control circuit, typically a short to the positive voltage.

2. What are the symptoms of a P1293 code in an Audi?

Common symptoms include the engine temperature not reaching optimal levels, erratic temperature gauge readings, poor fuel efficiency, and possible overheating.

3. What causes the P1293 code to appear on an Audi?

The code is often caused by a faulty thermostat heater, damaged wiring or connectors in the thermostat circuit, or a malfunctioning engine control module (ECM).

4. Can I drive my Audi with a P1293 code?

It is not recommended to drive for extended periods with this code, as improper engine temperature regulation could lead to engine damage or reduced performance.

5. How do I diagnose the P1293 code on my Audi?

Start by inspecting the thermostat wiring and connectors for damage or corrosion. Test the thermostat heater with a multimeter to check for proper resistance. If unclear, consult a professional.

6. How do I fix the P1293 code on an Audi?

Repairs may include replacing the thermostat, repairing or replacing damaged wiring, or, in rare cases, addressing issues with the ECM.

7. How much does it cost to fix the P1293 code on an Audi?

Repair costs vary but can range from $150 to $500, depending on whether the thermostat or wiring needs replacement and labor rates in your area.

8. Can a faulty thermostat cause a P1293 code in an Audi?

Yes, a faulty thermostat, especially the thermostat heater, is a primary cause of this code appearing.

9. Will clearing the P1293 code fix the problem?

Clearing the code will only temporarily remove it from the system. The underlying issue must be repaired to prevent the code from returning.

10. Do I need special tools to fix a P1293 code on my Audi?

Basic tools like a multimeter and an OBDII scanner are helpful for diagnosing the issue. For repairs, standard automotive tools should suffice, but professional help may be required for complex cases.