how to fix Honda CR-V Fifth Generation (2017-2022) remote start not working?

Honda CR-V Sixth Generation (2023-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 words

Problem Statement

Learn how to diagnose and fix the remote start issue in Honda CR-V (2017-2022). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks.

Symptoms

•Remote start button does not respond
•Vehicle does not start when remote start is activated
•LED indicator on the key fob does not light up
•Check engine light illuminated
•Vehicle battery is weak or dead

Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it is charged and in good condition.
2
Inspect the key fob battery and replace it if necessary.
3
Use an OBD-II scanner to check for any error codes that may indicate underlying issues.
4
Verify that all doors are closed and that the vehicle is in 'Park' mode.
5
Ensure the hood is closed, as some vehicles have a hood switch that can disable remote start.
6
Test the remote start function from a different location to rule out range issues.

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

•Multimeter
•OBD-II scanner
•Small flathead screwdriver

Parts Required

•Replacement key fob battery (CR2032)
•Vehicle battery (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Check the vehicle's battery voltage to ensure it is charged and in good condition.
2
Inspect the key fob battery and replace it if necessary.
3
Use an OBD-II scanner to check for any error codes that may indicate underlying issues.
4
Verify that all doors are closed and that the vehicle is in 'Park' mode.
5
Ensure the hood is closed, as some vehicles have a hood switch that can disable remote start.
6
Test the remote start function from a different location to rule out range issues.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked in a safe location.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Key Fob Battery

Tools Required: Small flathead screwdriver, replacement battery (typically CR2032).
Sub-steps:
1. Use the flathead screwdriver to carefully pry open the key fob.
2. Remove the old battery, noting the orientation of the positive and negative sides.
3. Insert the new battery in the same orientation.
4. Reassemble the key fob and test the remote start function.

3. Inspect Vehicle Battery

Tools Required: Multimeter.
Sub-steps:
1. Reconnect the negative battery terminal if it was disconnected.
2. Use a multimeter to check the voltage of the vehicle battery. It should read around 12.6 volts when fully charged.
3. If the voltage is below 12.4 volts, consider charging or replacing the battery.

4. Check for Error Codes

Tools Required: OBD-II scanner.
Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Read any stored error codes and note them for further action.
3. Clear the codes and test the remote start function again. If the same codes reappear, further diagnosis of the related systems may be necessary.

5. Verify Remote Start Conditions

Sub-steps:
1. Ensure all doors and the trunk are securely closed.
2. Confirm the vehicle is in "Park" and the hood is closed.
3. Attempt the remote start feature again while ensuring there are no obstructions.