AutoCodes – Generic – P0814

P0814 Code - Transmission Range Display Circuit

Quick Answer

The Transmission Control Module (TCM) monitors the Transmission Range Display. Common causes include Faulty Transmission Range Display, Transmission Range Display harness is open or shorted, Transmission Range Display 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: P0814 indicates Transmission Range Display Circuit.
Common causes: Common causes include Faulty Transmission Range Display, Transmission Range Display harness is open or shorted, Transmission Range Display 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 11,906

How popular is this code, among other codes? Low

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 May 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0814 Description

The Transmission Control Module (TCM) monitors the Transmission Range Display. The TCM sets the OBDII code when the Transmission Range Display is not to factory specifications.

OBDII Code P0814 - Transmission Range Display Circuit - AutoCodes.com — P0814 Code - Transmission Range Display Circuit

What does this mean?

What are the Possible Causes of the DTC P0814?

Faulty Transmission Range Display
Transmission Range Display harness is open or shorted
Transmission Range Display circuit poor electrical connection

How to Fix the DTC P0814?

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 P0814 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 P0814 code?

Need more information on how to fix the P0814 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P0814 Chrysler — Transmission Range Display Circuit
P0814 Dodge — Transmission Range Display Circuit
P0814 Jeep — Transmission Range Display Circuit
P0814 Mercedes-Benz — Transmission Range Display 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.