AutoCodes – Chrysler – C1046 Chrysler

C1046 Chrysler Code - Left Front Wheel Pressure Phase Monitoring

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Pressure Phase. Common causes include Dirty Left Front Tone Wheel, Dirty Left Front Wheel Speed Sensor (WSS), Faulty Left Front Wheel Speed Sensor (WSS). 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
C1046 Chrysler indicates Left Front Wheel Pressure Phase Monitoring.
Common causes
Common causes include Dirty Left Front Tone Wheel, Dirty Left Front Wheel Speed Sensor (WSS), Faulty Left Front Wheel Speed Sensor (WSS).
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,309
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 07, 2020
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Code C1046 Chrysler Description

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Pressure Phase. The ABS Module sets the OBDII if the ABS Module detects a pressure reduction phase and the following pressure hold phase is too long.
OBDII Code C1046 Chrysler - Left Front Wheel Pressure Phase Monitoring - AutoCodes.com
C1046 Chrysler Code - Left Front Wheel Pressure Phase Monitoring

What are the Possible Causes of the DTC C1046 Chrysler?

  • Dirty Left Front Tone Wheel
  • Dirty Left Front Wheel Speed Sensor (WSS)
  • Faulty Left Front Wheel Speed Sensor (WSS)
  • Left Front Wheel Speed Sensor (WSS) harness is open or shorted
  • Left Front Wheel Speed Sensor (WSS) circuit poor electrical connection
  • Damage Left Front Tone Wheel
  • Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C1046 Chrysler?

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 C1046 Chrysler 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.

Frequently Asked Questions about C1046 Chrysler Code

1. What are common symptoms of OBDII code C1046 in a Chrysler related to left front wheel pressure phase monitoring?

The common symptoms include the ABS warning light illuminating on the dashboard, decreased braking performance, and potential activation of the vehicle's anti-lock braking system.

2. What could be causing OBDII code C1046 in a Chrysler?

The code C1046 typically indicates a fault in the left front wheel pressure phase monitoring system, often caused by issues with the wheel speed sensor, wiring harness, or electronic control unit (ECU).

3. How can I diagnose the cause of OBDII code C1046 in my Chrysler?

Diagnosing the code C1046 may require using a diagnostic scanner to retrieve the specific fault codes, inspecting the left front wheel speed sensor and its wiring for damage or loose connections, and testing the ECU for any malfunctions.

4. Can I continue driving my Chrysler with OBDII code C1046 present?

It is not recommended to continue driving with OBDII code C1046 active, as it can affect the proper functioning of the vehicle's ABS system, potentially compromising safety and braking performance.

5. How can I repair OBDII code C1046 in my Chrysler?

Repairing OBDII code C1046 may involve replacing the left front wheel speed sensor, repairing or replacing damaged wiring harnesses, or reprogramming the ECU to resolve the issue with the wheel pressure phase monitoring system.

6. Are there any DIY tips for fixing OBDII code C1046 in a Chrysler?

While some basic troubleshooting steps can be taken, such as checking for loose connections or damaged wires, diagnosing and repairing OBDII code C1046 often requires specialized tools and expertise best handled by a professional mechanic.

7. How much does it typically cost to repair OBDII code C1046 in a Chrysler?

The cost of repairing OBDII code C1046 can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It's advisable to get a few quotes from reputable repair shops for an accurate estimate.

8. Can extreme weather conditions affect OBDII code C1046 in a Chrysler?

Extreme weather conditions, such as excessive heat or cold, can potentially impact the performance of the wheel speed sensor or other components involved in the left front wheel pressure phase monitoring system, leading to the triggering of code C1046.

9. Is it necessary to reset the ECU after repairing OBDII code C1046 in a Chrysler?

After repairing OBDII code C1046, it is recommended to clear the fault codes and reset the ECU to ensure that the system recognizes the repairs and operates correctly. This can be done using a diagnostic scanner or by disconnecting the car's battery for a few minutes.

10. How often does OBDII code C1046 related to left front wheel pressure phase monitoring occur in Chrysler vehicles?

While specific statistics may vary, code C1046 related to left front wheel pressure phase monitoring can occur in Chrysler vehicles due to various factors such as sensor malfunctions, wiring issues, or ECU faults. Regular maintenance and prompt diagnosis can help prevent and address such issues effectively.

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