AutoCodes – Cadillac – P0068 Cadillac

P0068 Cadillac Code - Throttle Body Air Flow Performance

Quick Answer

The Engine Control Module (ECM) compares actual air flow based on Throttle Position (TP) to a calculated air flow based on the Manifold Absolute Pressure (MAP) sensor, and Mass Air Flow (MAF). Common causes include Air leak between the Mass Air Flow (MAF) sensor and Throttle Body, Restricted Air Filter, Dirty Throttle Body. 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: P0068 Cadillac indicates Throttle Body Air Flow Performance.
Common causes: Common causes include Air leak between the Mass Air Flow (MAF) sensor and Throttle Body, Restricted Air Filter, Dirty Throttle Body.
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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 17,423

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 16, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0068 Cadillac Description

The Engine Control Module (ECM) compares actual air flow based on Throttle Position (TP) to a calculated air flow based on the Manifold Absolute Pressure (MAP) sensor, and Mass Air Flow (MAF). The Diagnostic Trouble Code (DTC) will be set if the ECM detects that the actual air flow rate is greater than the calculated air flow.

OBDII Code P0068 Cadillac - Throttle Body Air Flow Performance - AutoCodes.com — P0068 Cadillac Code - Throttle Body Air Flow Performance

What does this mean?

What are the Possible Causes of the DTC P0068 Cadillac?

Air leak between the Mass Air Flow (MAF) sensor and Throttle Body
Restricted Air Filter
Dirty Throttle Body
Dirty Mass Air Flow sensor
Faulty Mass Air Flow sensor
Faulty Manifold Absolute Pressure (MAP)
Faulty Throttle Body

How to Fix the DTC P0068 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0068 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.

Need more information about the P0068 Cadillac code?

Need more information on how to fix the P0068 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0068 Cadillac code diagnosed by a professional: Find a repair shop in your area

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.