Range Rover hazard icon car won’t lock

As an experienced Range Rover owner and mechanic, I know firsthand the challenges that come with Range Rover ownership.

When I was asked to write an article about the hazard icon car won’t lock issue, I couldn’t help but chuckle at the thought of yet another Range Rover problem to solve.

But in all seriousness, the hazard icon car won’t lock problem is not one to be taken lightly.

If you’re experiencing this issue, it can be frustrating and even dangerous, leaving your vehicle susceptible to theft or break-ins.

In this article, I’ll cover the signs and symptoms, possible OBD codes, common causes, how to fix it, and more, so you can get your Range Rover back in working order.

What models are affected?

Signs and symptoms

If you’re experiencing the hazard icon car won’t lock issue, you may notice that your Range Rover’s doors won’t lock or unlock using the remote key fob.

Additionally, the hazard lights may start flashing, and you may hear a clicking sound.

List of possible OBD codes

When diagnosing the hazard icon car won’t lock issue, you may come across the following OBD codes:

  • B1161 – Front Door Unlock Switch Open Circuit
  • B1162 – Front Door Unlock Switch Short Circuit
  • B1163 – Rear Door Unlock Switch Open Circuit
  • B1164 – Rear Door Unlock Switch Short Circuit
  • B1167 – Passenger Door Central Locking Motor Plausibility Failure
  • B1168 – Driver Door Central Locking Motor Plausibility Failure

Common causes

There are several common causes of the hazard icon car won’t lock issue, including:

  • Battery issues: If your battery is weak or dead, it can cause the door locks to malfunction.
  • Damaged lock actuators: The lock actuators are responsible for locking and unlocking the doors, so if they’re damaged or worn out, the doors may not lock or unlock properly.
  • Faulty key fob: If the key fob battery is dead or the fob itself is malfunctioning, it can prevent the doors from locking or unlocking.
  • Bad car body control module (BCM): The BCM is responsible for controlling various functions in your vehicle, including the doors and locks. If it’s faulty, it can cause the hazard icon car won’t lock issue.

Can it be fixed without a mechanic?

Some of the potential solutions for the hazard icon car won’t lock issue can be done without a mechanic, including:

  • Checking and replacing the battery in the key fob.
  • Manually locking and unlocking the doors from the inside.
  • Checking the fuses related to the locks.

However, if the issue persists, it’s important to bring your Range Rover to a certified mechanic for further diagnosis and repair.

Parts you’ll need to fix it

Depending on the root cause of the issue, you may need to replace the following parts:

  • Lock actuators
  • Key fob battery
  • Body control module

Tools you’ll need to fix it

To fix the hazard icon car won’t lock issue, you may need the following tools:

  • Multimeter
  • Screwdrivers
  • Socket set

How to fix it

Here’s a step-by-step guide to fixing the hazard icon car won’t lock issue:

  1. Check the battery in the key fob and replace if necessary.
  2. Check the fuses related to the locks and replace if necessary.
  3. Use a multimeter to test the lock actuators for continuity. Replace any damaged actuators.
  4. If the lock actuators are fine, use a multimeter to test the body control module for continuity. Replace if necessary.
  5. Once you’ve replaced any necessary parts, test the locks to ensure they’re functioning properly.

Potential alternative causes

While the above causes are common, there may be other issues that can lead to the hazard icon car won’t lock issue. These can include:

  • Wiring issues related to the lock system
  • Malfunctioning door handles
  • Issues with the tailgate

If the above solutions don’t work, it’s important to bring your Range Rover to a certified mechanic for further diagnosis and repair.

FAQs

How long does it take to fix the hazard icon car won’t lock issue?

The time it takes to fix the hazard icon car won’t lock issue can vary depending on the root cause of the problem. It can take anywhere from a few minutes to a few hours to diagnose and repair the issue.

Can I still drive my Range Rover with the hazard icon car won’t lock issue?

While you can still drive your Range Rover with the hazard icon car won’t lock issue, it’s not recommended. This issue can leave your vehicle vulnerable to theft or break-ins, which can put you and your passengers in danger.

Can I fix the issue myself?

Some potential solutions for the hazard icon car won’t lock issue can be done without a mechanic, such as checking the key fob battery or the related fuses. However, if the issue persists, it’s important to bring your Range Rover to a certified mechanic for further diagnosis and repair.

Last updated and verified on 4th September 2023

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