AutoCodes – Cadillac – P1868 Cadillac

P1868 Cadillac Code - Transmission Fluid Life Conditions

Quick Answer

With the engine runtime over 5 seconds, system voltage from 8-18v, the Powertrain Control Module (PCM) determines that the calculated transmission oil life remaining was 10% or less. Common causes include Low or dirty transmission fluid. 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: P1868 Cadillac indicates Transmission Fluid Life Conditions.
Common causes: Common causes include Low or dirty transmission fluid.
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 3,028

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 31, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code P1868 Cadillac Description

With the engine runtime over 5 seconds, system voltage from 8-18v, the Powertrain Control Module (PCM) determines that the calculated transmission oil life remaining was 10% or less.

OBDII Code P1868 Cadillac - Transmission Fluid Life Conditions - AutoCodes.com — P1868 Cadillac Code - Transmission Fluid Life Conditions

What does this mean?

What are the Possible Causes of the DTC P1868 Cadillac?

Low or dirty transmission fluid

How to Fix the DTC P1868 Cadillac?

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 does this mean?

Code Tech Notes

Change transmission fluid and clear the code.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1868 Cadillac 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.