[SOLVED] Jeep C1489 Code: Quick Fix For Rear Differential Motor Failure

The OBD code C1489 for Jeep indicates an issue with the Electronic Limited Slip Differential (ELSD) system.

Symptoms include the ABS warning light and engine light being illuminated.

This is commonly caused by a faulty ELSD motor or related wiring issues.

While not a critical issue, it can affect vehicle stability.

To fix, inspect the ELSD motor, harness, and connectors for any faults or damage.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Symptoms of the Jeep c1489 OBD Code

The Jeep C1489 fault code typically triggers when there is an issue with the brake pedal switch.

Symptoms: AntiLock Brake System (ABS) Warning Light ON.
Engine Light ON (or Service Engine Soon Warning Light).
Possible loss of ABS functionality.
Brake pedal may feel different during braking.

Causes of the Jeep c1489 OBD Code

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Possible reasons for fault code Jeep C1489 include issues with the brake pedal position sensor.

Causes: Faulty Electronic Limited Slip Differential (ELSD) Motor.
Electronic Limited Slip Differential (ELSD) Motor harness is open or shorted.
Electronic Limited Slip Differential (ELSD) Motor circuit poor electrical connection.
Faulty Electronic Limited Slip Differential (ELSD) Module.

Fixing Jeep Error Code c1489 Step By Step

To address fault code Jeep C1489, inspect the steering angle sensor and related wiring for issues.

To fix Jeep OBDII code C1489, start by reviewing the possible causes mentioned above.
Visually examine the wiring harness and connectors related to the ABS pump motor control circuit.
Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
Test the ABS pump motor for proper operation and power supply.
Replace the ABS pump motor if it is faulty.
Clear the fault codes and perform a road test to ensure the issue is resolved.

Cost Of Fixing Jeep c1489 Fault Code

Diagnosing and repairing fault code C1489 on a Jeep may involve inspecting and replacing the brake booster sensor.

The cost to diagnose and fix Jeep OBD code C1489 is typically based on a 1. 0hour repair time.

Labor rates range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can influence the final cost.

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Details of the Jeep c1489 OBD Code

The Jeep C1489 code indicates an issue with the brake pedal position sensor circuit.

OBD code C1489 for Jeep vehicles indicates an issue with the brake pedal switch 2 stuck closed.

This code is triggered by the Body Control Module (BCM) when it detects a continuous signal from the brake pedal switch 2, indicating that the switch is stuck in the closed position.

This can lead to incorrect brake light operation or issues with the vehicle’s brake system.

Mechanic’s Tech Notes

Detailed information on the Jeep fault code C1489 related to the brake pedal switch circuit.

To diagnose and fix OBDII code C1489 in a Jeep, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.

This thorough inspection can help identify and resolve the issue causing the C1489 fault code.

FAQ

1. What does OBD code C1489 indicate in a Jeep vehicle?

OBD code C1489 in a Jeep indicates an issue with the Electronic Limited Slip Differential (ELSD) system. Check ELSD motor, harness, and module for faults.

2. What are the common symptoms associated with Jeep OBD code C1489?

Common symptoms for Jeep OBD code C1489 include ABS Warning Light ON, Engine Light ON. Causes may be a faulty ELSD motor or harness issues. Fix: Inspect and repair wiring connections.

3. How can I diagnose and fix OBD code C1489 in my Jeep vehicle?

Diagnose OBD code C1489 in Jeep: Symptoms ABS & Engine Lights ON. Causes Faulty ELSD Motor or Module, harness issues. Fix Inspect wiring, connectors for damage or corrosion.

Wrap Up

If your Jeep is displaying OBD code c1489, you may experience issues with the brake pedal position sensor circuit.

This could be caused by a faulty brake pedal position sensor, damaged wiring, or poor connections in the sensor circuit.

To address Jeep OBD code c1489, start by inspecting the brake pedal position sensor and its wiring harness for any signs of damage or corrosion.

Test the sensor’s functionality and ensure all connections are secure.

Replace the sensor if necessary and repair any damaged wiring to resolve the issue.