Engine-CodesFord – B1142 Ford

B1142 Ford Code - Ignition Status 1 Signal Invalid

Quick Answer

The B1142 Ford diagnostic trouble code indicates that there is an issue with the ignition status 1 signal, which is a signal sent by the vehicle's ignition system to the engine control module (ECM). Common causes include Faulty ignition coil or spark plugs, Wiring issues or loose connections in the ignition system, ECM malfunction. 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
B1142 Ford indicates Ignition Status 1 Signal Invalid.
Common causes
Common causes include Faulty ignition coil or spark plugs, Wiring issues or loose connections in the ignition system, ECM malfunction.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1142 Ford Description

The B1142 Ford diagnostic trouble code indicates that there is an issue with the ignition status 1 signal, which is a signal sent by the vehicle's ignition system to the engine control module (ECM). This signal is crucial for the ECM to properly control the ignition timing and fuel delivery, ensuring the engine runs smoothly and efficiently. When this signal is deemed invalid, it can lead to erratic engine performance, misfires, and even stalling. Ignoring this code can potentially cause long-term damage to the engine and other related systems.

OBDII Code B1142 Ford - Ignition Status 1 Signal Invalid
B1142 Ford Code - Ignition Status 1 Signal Invalid

Common Causes of B1142 Ford

  1. Faulty ignition coil or spark plugs.
  2. Wiring issues or loose connections in the ignition system.
  3. ECM malfunction.
  4. Faulty ignition switch.
  5. Corrosion or damage to the ignition system components.

Symptoms of B1142 Ford

  1. Engine misfires or hesitation during acceleration.
  2. Rough idle or stalling.
  3. Difficulty starting the engine.
  4. Reduced fuel efficiency.
  5. Illumination of the Check Engine Light on the dashboard.

How to Fix B1142 Ford

  1. Begin by using a diagnostic scan tool to retrieve the trouble codes and confirm the issue.
  2. Inspect the ignition system components such as the ignition coils, spark plugs, and wiring for any signs of damage or wear.
  3. Check the ignition switch for proper functionality and replace if necessary.
  4. Clear the trouble codes from the ECM memory and reset the system.
  5. Test drive the vehicle to ensure the issue has been resolved and that the Check Engine Light remains off.

Cost to Fix B1142 Ford

The cost of repairing the B1142 Ford code can vary depending on the specific cause of the issue. On average, you can expect to pay between $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's recommended to get quotes from multiple shops to find the best deal.

Need more information about the B1142 Ford code?

Need more information on how to fix the B1142 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1142 Ford 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.

Frequently Asked Questions about B1142 Ford Code

1. What does the OBDII code B1142 mean on a Ford vehicle?

The B1142 code indicates that the Ignition Status 1 signal is invalid, meaning the vehicle's control module is not receiving proper data about the ignition switch position.

2. What are the common symptoms of the B1142 code in a Ford vehicle?

Symptoms may include difficulty starting the vehicle, intermittent power issues, warning lights on the dashboard, or a failure to recognize the ignition position.

3. What causes the B1142 Ignition Status 1 Signal Invalid code?

Common causes include a faulty ignition switch, damaged wiring or connectors in the ignition circuit, a malfunctioning body control module (BCM), or software glitches.

4. Can a weak battery trigger the B1142 code?

Yes, a weak or failing battery can cause voltage irregularities that may lead to the B1142 code being set.

5. How is the B1142 code diagnosed?

A technician will use a scan tool to read the code, inspect the ignition switch and related wiring, check for voltage and continuity in the circuit, and test the body control module.

6. Can the B1142 code cause the vehicle to not start?

Yes, if the ignition signal is not being received correctly, the vehicle may fail to start or experience intermittent starting issues.

7. How do you fix the B1142 code in a Ford vehicle?

Repairs may involve replacing the ignition switch, repairing damaged wiring or connectors, updating the BCM software, or replacing the BCM if it’s faulty.

8. Is the B1142 code specific to Ford vehicles?

Yes, the B1142 code is specific to Ford and pertains to the Ignition Status 1 Signal Invalid issue as interpreted by Ford's diagnostic system.

9. How much does it cost to repair the B1142 code?

Repair costs vary depending on the cause but may range from $100 for simple wiring repairs to over $500 if the body control module requires replacement.

10. Can I clear the B1142 code without fixing the issue?

Clearing the code without addressing the root cause may temporarily remove the warning, but the issue will likely recur until properly repaired.

Discuss the causes and fixes for B1142 Ford OBDII Code

Code B1142 Ford comments

No comments found for this page.