AutoCodes – Jeep – C1048 Jeep

C1048 Jeep Code - Left Rear Wheel Pressure Phase Monitoring

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Pressure Phase. Common causes include Dirty Left Rear Tone Wheel, Dirty Left Rear Wheel Speed Sensor (WSS), Faulty Left Rear 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: C1048 Jeep indicates Left Rear Wheel Pressure Phase Monitoring.
Common causes: Common causes include Dirty Left Rear Tone Wheel, Dirty Left Rear Wheel Speed Sensor (WSS), Faulty Left Rear 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.

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Code Popularity 7,874

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 Aug 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1048 Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Left Rear 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 C1048 Jeep - Left Rear Wheel Pressure Phase Monitoring - AutoCodes.com — C1048 Jeep Code - Left Rear Wheel Pressure Phase Monitoring

What does this mean?

What are the Possible Causes of the DTC C1048 Jeep?

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

How to Fix the DTC C1048 Jeep?

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 C1048 Jeep 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 C1048 Jeep code?

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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 C1048 Jeep Code

1. What are the common symptoms of OBDII code C1048 in a Jeep related to Left Rear Wheel Pressure Phase Monitoring?

- Common symptoms include the illumination of the ABS warning light on the dashboard and potential issues with the left rear wheel's pressure monitoring system.

2. What are the possible causes of OBDII code C1048 in a Jeep?

- The code C1048 in a Jeep can be triggered by issues such as a faulty wheel speed sensor, damaged wiring, or a malfunctioning pressure monitoring system in the left rear wheel.

3. How can I diagnose the cause of OBDII code C1048 in my Jeep?

- Diagnosis typically involves using a diagnostic scanner to retrieve the specific fault codes, inspecting the left rear wheel speed sensor and its wiring, and checking the pressure monitoring system for any faults.

4. What are some repair tips for fixing OBDII code C1048 in a Jeep?

- Repair tips may include checking and repairing any damaged wiring, replacing the left rear wheel speed sensor if faulty, or recalibrating the pressure monitoring system to resolve the issue.

5. Can I drive my Jeep with OBDII code C1048 related to Left Rear Wheel Pressure Phase Monitoring?

- It is not recommended to drive the vehicle with the ABS warning light on, as it indicates potential safety issues related to the braking system. It's advisable to address the problem promptly.

6. Will resetting the OBDII code C1048 in my Jeep make the issue go away?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing code C1048 is not fixed, the light is likely to come back on after driving for a short period.

7. How much does it typically cost to repair OBDII code C1048 in a Jeep?

- The cost of repairing code C1048 can vary depending on the specific cause of the issue. It may range from replacing a sensor or fixing wiring (a few hundred dollars) to recalibrating the pressure monitoring system (potentially more).

8. Can extreme weather conditions affect the triggering of OBDII code C1048 in a Jeep?

- Yes, extreme weather conditions like heavy rain, snow, or extreme temperatures can potentially impact the performance of sensors and systems related to the left rear wheel pressure monitoring, leading to the triggering of code C1048.

9. Are there any preventive maintenance steps to avoid OBDII code C1048 in a Jeep?

- Regularly inspecting and maintaining the wheel speed sensors, checking the wiring for damage, and ensuring the proper functioning of the pressure monitoring system can help prevent issues like code C1048 from occurring.

10. Is it necessary to visit a dealership for repairs related to OBDII code C1048 in a Jeep?

- While dealerships have specialized knowledge and equipment, independent auto repair shops with experience in ABS and wheel monitoring systems can also effectively diagnose and repair issues related to code C1048 in a Jeep.