how to fix C1241 code in Honda Pilot Third Generation (2016-present)?

Honda Pilot Third Generation (2016-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: C1241

3 min read

574 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix C1241 ABS malfunction in Honda Pilot (2016-present). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

C1241

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the vehicle is securely lifted and supported if working underneath.

Symptoms

•ABS warning light illuminated on the dashboard
•Traction control warning light illuminated
•Erratic or non-functioning ABS during braking
•Reduced braking performance or locking of wheels
•Speedometer may show incorrect readings

Diagnostic Steps

1
Scan the vehicle's computer with an OBD-II scanner to confirm the C1241 code.
2
Inspect the wheel speed sensors for damage, dirt, or disconnection.
3
Check the wiring and connectors associated with the ABS system for corrosion or breaks.
4
Measure the resistance of each wheel speed sensor using a multimeter to ensure they are within specifications.
5
Inspect the ABS control module for any signs of damage or corrosion.
6
Clear the C1241 code and perform a road test to see if the code returns.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Multimeter
•Brake cleaner
•Torque wrench

Parts Required

•Wheel speed sensors (if replacement is necessary)
•ABS control module (if replacement is necessary)

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Diagnostic Steps

1
Scan the vehicle's computer with an OBD-II scanner to confirm the C1241 code.
2
Inspect the wheel speed sensors for damage, dirt, or disconnection.
3
Check the wiring and connectors associated with the ABS system for corrosion or breaks.
4
Measure the resistance of each wheel speed sensor using a multimeter to ensure they are within specifications.
5
Inspect the ABS control module for any signs of damage or corrosion.
6
Clear the C1241 code and perform a road test to see if the code returns.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure electrical safety.
Ensure the vehicle is on a flat surface and securely lifted if needed.

2. Inspect and Clean Wheel Speed Sensors

Sub-steps:
1. Locate the wheel speed sensors at each wheel hub.
2. Remove the sensor mounting bolts using a socket set.
3. Carefully pull out the sensor and inspect it for dirt or damage.
4. Clean the sensor using a soft cloth and brake cleaner.
5. Reinstall the sensor and torque the bolts to the manufacturer’s specifications.

3. Check Wiring and Connectors

Sub-steps:
1. Visually inspect the wiring harness for each wheel speed sensor.
2. Look for any frayed wires, corrosion, or loose connections.
3. If any damage is found, repair or replace the wiring as necessary.
4. Ensure that all connectors are securely connected.

4. Test Wheel Speed Sensor Resistance

Sub-steps:
1. Disconnect the wheel speed sensor connector.
2. Use a multimeter to measure the resistance of the sensor.
3. Compare the readings to the manufacturer's specifications (typically between 1,000-2,000 ohms).
4. If the resistance is outside the specified range, replace the wheel speed sensor.

5. Inspect ABS Control Module

Sub-steps:
1. Locate the ABS control module, usually near the master cylinder.
2. Inspect for any physical damage or corrosion on the module and connectors.
3. If damage is found, replace the ABS control module.
4. Reconnect all wiring securely.