AutoCodes – Generic – P1141

P1141 Code - Load Calculation Cross Check Range/Performance

Quick Answer

The Engine Control Module (ECM) monitors the Load Calculation Cross Check Range. Common causes include Vacuum leaks, Faulty Mass Air Flow (MAF) Sensor, Mass Air Flow 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: P1141 indicates Load Calculation Cross Check Range/Performance.
Common causes: Common causes include Vacuum leaks, Faulty Mass Air Flow (MAF) Sensor, Mass Air Flow 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.

Save to My Repairs My Repairs

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

Code Popularity 36,269

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 Jul 19, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

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

Code P1141 Description

The Engine Control Module (ECM) monitors the Load Calculation Cross Check Range. The ECM sets the OBDII code when the Load Calculation Cross Check Range is not to factory specifications.

OBDII Code P1141 - Load Calculation Cross Check Range/Performance - AutoCodes.com — P1141 Code - Load Calculation Cross Check Range/Performance

What does this mean?

What are the Possible Causes of the DTC P1141?

Vacuum leaks
Faulty Mass Air Flow (MAF) Sensor
Mass Air Flow Sensor harness is open or shorted
Mass Air Flow Sensor circuit poor electrical connection

How to Fix the DTC P1141?

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 P1141 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 P1141 code?

Need more information on how to fix the P1141 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1141 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1141 Audi — Load Calculation Cross Check Range/Performance
P1141 Buick — HO2S Heater Control Circuit Bank 1 Sensor 2
P1141 Cadillac — HO2S Heater Control Circuit Bank 1 Sensor 2
P1141 Chevrolet — HO2S Heater Control Circuit Bank 1 Sensor 2
P1141 Ford — Fuel Restriction Indicator Circuit Malfunction
P1141 GMC — HO2S Heater Control Circuit Bank 1 Sensor 2
P1141 Hyundai — Slow Duty Solenoid- Malfunction
P1141 Mazda — HO2S12 Heater Circuit Low
P1141 Subaru — Mass Air Flow Sensor Circuit High Input
P1141 Volkswagen — Load Calculation Cross Check Range/Performance

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 P1141 Code

1. What are the common symptoms of OBDII code P1141?

- Common symptoms of code P1141 may include rough idling, engine misfires, decreased fuel efficiency, and potential stalling.

2. What are the possible causes of OBDII code P1141?

- The code P1141 is often triggered by issues with the mass airflow sensor (MAF), intake air leaks, faulty oxygen sensors, or problems with the engine's air-fuel mixture.

3. How can I diagnose the root cause of OBDII code P1141?

- Diagnosing code P1141 usually involves checking the MAF sensor, inspecting for any air leaks in the intake system, testing the oxygen sensors, and verifying the air-fuel ratio.

4. Can a dirty air filter trigger OBDII code P1141?

- Yes, a clogged or dirty air filter can disrupt the airflow entering the engine, potentially leading to issues that trigger code P1141.

5. What are some repair tips for resolving OBDII code P1141?

- Repair tips for code P1141 may include cleaning or replacing the MAF sensor, fixing any air leaks in the intake system, replacing oxygen sensors if necessary, and ensuring proper air filter maintenance.

6. Is it safe to continue driving with OBDII code P1141 present?

- It is generally not recommended to drive with unresolved OBDII codes like P1141, as they can lead to performance issues and potentially cause further damage to the vehicle over time.

7. Can a malfunctioning catalytic converter cause OBDII code P1141?

- Yes, a failing catalytic converter can sometimes trigger code P1141, as it can impact the exhaust gas composition and affect the engine's performance.

8. Will resetting the OBDII system clear code P1141 permanently?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing P1141 is not addressed, the code is likely to reappear upon further driving.

9. Are there any recalls related to OBDII code P1141 for specific vehicle models?

- Recalls related to OBDII code P1141 may vary by vehicle manufacturer and model, so it's recommended to check with the manufacturer or a dealership for any relevant recalls.

10. How can a professional mechanic help in resolving OBDII code P1141?

- A professional mechanic can conduct a thorough diagnosis, utilize specialized tools for testing components, provide expert advice on repair options, and ensure the proper resolution of OBDII code P1141.