AutoCodes – Buick – P1836 Buick

P1836 Buick Code - Kick-Down Switch Failed Open

Quick Answer

The Transmission Control Module (TCM) monitors the Kick-Down Switch. Common causes include Faulty Kick-Down Switch, Kick-Down Switch harness is open or shorted, Kick-Down Switch 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: P1836 Buick indicates Kick-Down Switch Failed Open.
Common causes: Common causes include Faulty Kick-Down Switch, Kick-Down Switch harness is open or shorted, Kick-Down Switch 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 2,872

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 Jan 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1836 Buick Description

The Transmission Control Module (TCM) monitors the Kick-Down Switch. The TCM sets the OBDII code when the Kick-Down Switch is not to factory specifications.

OBDII Code P1836 Buick - Kick-Down Switch Failed Open - AutoCodes.com — P1836 Buick Code - Kick-Down Switch Failed Open

What does this mean?

What are the Possible Causes of the DTC P1836 Buick?

Faulty Kick-Down Switch
Kick-Down Switch harness is open or shorted
Kick-Down Switch circuit poor electrical connection

How to Fix the DTC P1836 Buick?

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 P1836 Buick 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.