Vauxhall Mokka Electrical Problems: Faults & Fixes

Vauxhall Mokka owners often report about Vauxhall Mokka electrical problems. The screens, lights, or dashboards in Mokkas can develop issues that annoy their owners. However, knowing what causes these problems is the first step to fixing them. In this article, I will describe the most common Vauxhall Mokka electrical faults and how to resolve them.

The main electrical problems tends to be the Vauxhall Mokka display not working. The screens may not respond, the lights may flash on and off, or the dashboards may go completely dark. Although these problems cans be a headache to deal with, the good news is they can usually be repaired. By following some troubleshooting tips from a mechanic, Mokka owners can get their vehicle’s electrical systems working properly again.

Main Causes of Electrical Faults

Vauxhall Mokka
Image Credit: Pakers

I’ve seen many electrical issues arise in Vauxhall Mokkas. These problems usually come down to a few common faults. Knowing where to start looking saves time tracing the underlying cause.

Faulty wiring connections: Loose or corroded wiring is one of the main culprits. Connections can shake loose as the car goes over bumps in the road. Water exposure can also lead to rust and damage over time. Loose or corroded wires cannot conduct electricity properly. This results in shorts or parts losing power. Replacing damaged wires fixes this.

Blown fuses: Blown fuses are easy to spot but indicate a bigger electrical fault. When a circuit overloads, the fuse blows to prevent damage. To really fix it, you must find what caused the fuse to blow and address that first.

Control unit failures: Control units are the computers that make everything work. If the engine control module or other units start to fail, it can cause all sorts of electrical headaches. Sometimes you can update their software. But if too damaged, replacing them completely is the only option.

Software glitches: Faulty software code can also cause electrical issues. Vauxhall sends out software updates to fix glitches and make improvements. Installing new updates often resolves these issues.

Short circuits: Exposed or damaged wiring that shorts out is serious. Partial shorts drain the battery. Full shorts can knock out everything at once. The wires must be properly fixed before turning things back on.

Symptoms of Vauxhall Mokka Electrical Problems

Vauxhall Mokka electric problems

Electrical faults in vehicles can be tricky to spot due to their complicated nature. However, most cars give drivers several warning signs to help identify electrical problems early on. Let’s look at some of the red flags a Vauxhall Mokka may show when experiencing electrical issues.

  • Non-working lights and screens: Noticing headlights, tail lights or dashboard displays not working properly could signal an electrical supply problem. Dark or broken screens and lights may mean a blown fuse or faulty wiring connection needing repair.
  • Intermittent electrical components: Components that flicker on and off at random are clues pointing to a loose connection or short circuit causing power loss. Pay close attention to parts that sporadically turn on and off by themselves.
  • Warning lights: The engine control unit communicates through dashboard warning lights. Persistent warning lights mean trouble codes are stored in the engine control unit and require diagnosis by a mechanic.
  • Unresponsive electronics: A blank screen or buttons/controls not working can signal issues with the electronic control unit connected to these parts.
  • Burning smells: Strange burning smells from under the bonnet could indicate severe wiring damage or an overloaded circuit. This poses safety risks and requires immediate inspection by a mechanic.

Spotting these warning signs helps address Vauxhall Mokka electrical problems before they become big problems. A Vauxhall Mokka is designed to alert drivers to problems; staying alert to these signs helps keep the vehicle running well.

Common Display Problems

The display in your Vauxhall Mokka does more than just show you information. It allows you to use many features in your vehicle. When the Vauxhall Mokka display not working, driving and using your Mokka can be harder and less safe. Let’s look at common display problems that can happen in your vehicle and make driving worse.

  • Blank or Black Screens: One big issue in the Mokka is blank or black screens. This often happens with the entertainment system, which makes navigation and entertainment much harder to use. A blank screen does not tell the driver what is wrong, which is a major hassle.
  • Unresponsive Touchscreens: Touchscreens have changed how we use our cars. But what if the touchscreen stops working well? Unresponsive touchscreens in a Mokka usually mean a software or connection issue. This can turn easy navigation into a frustrating situation where you cannot quickly and safely use features while driving.
  • Distorted or Scrambled Displays: Imagine turning on your display and seeing a jumble of colours and shapes instead of the normal screen. Scrambled displays are hard to look at and mean the display screen may be failing. This can make the screen hard to view and hide important information.
  • Backlighting Issues: Driving on dark roads at night is hard enough without issues with your backlighting. A dim screen or one that will not light up can severely limit what you can see at night, making features very hard to use. Backlight issues are usually caused by faulty LEDs and need to be fixed quickly so you can see the dashboard and centre console even in low light.

Spotting these common display issues early can stop other problems from happening. Each of these signs should tell you to see a mechanic or authorised service centre right away. Fixing these issues quickly makes for a safer, easier drive. Remember, your car’s display is how it communicates. Making sure it works well is key to trouble-free driving.

Diagnosing Electrical and Display Issues

Vauxhall mokka display not working
Image Credit: Honest John

To diagnose electrical and display issues in a Vauxhall Mokka, you must follow several steps.

  • First, check the error codes by using a diagnostic tool. These codes indicate the problems.
  • Next, inspect the fuses. Fuses protect the electrical system. If a fuse is blown, it shows where there is an electrical problem.
  • Then, check the wiring and connections. Loose, rusty or damaged wiring can cause electrical issues.
  • After that, test the electrical components and circuits. If these don’t work well together, it leads to problems.
  • Finally, looks at any software issues. Software problems often cause display and electrical faults. Updates or resets usually fix these.

Diagnosing electrical and display faults requires practical checks and technical skill.

Repairing Electrical Faults

Battling electrical faults in a Vauxhall Mokka requires a proactive approach and understanding how the vehicle works. Once the problem is found, a good repair plan can fix it. This section explains how to fix common electrical issues.

  • Fixing damaged wires: A Mokka’s wires carry electricity to important parts. Damaged wires disrupt this flow. To repair, find the damaged wire and replace it so electricity flows smoothly again.
  • Replacing fuses or connectors: When fuses and connectors fail, many problems can occur. Quickly replacing defective fuses or connectors prevents more damage. An auto-electrician or mechanic will find the right replacements to properly restore function.
  • Updating or reprogramming control modules: Control modules operate a vehicle’s systems. If issues arise from control modules, updating or reprogramming them may help. This involves using special tools to install new software so the modules work better with connected parts.
  • Getting replacement parts: Some problems require completely new parts. Getting the correct replacement part is key. Whether it’s a cracked sensor or broken relay, using high-quality replacement parts can fix the issues properly.
  • Replacing entire electronic systems: For major issues, fixing or replacing individual parts may not work. The entire electronic system may need replacement. Although extreme, this ensures long-term reliability and reduces repeat problems.

Electrical problems can seem complicated but are fixable. Repairing them quickly prevents bigger issues, maintains a vehicle’s value and ensures safe, proper function. While do-it-yourself repairs are popular, electrical work should be left to professionals due to complexity and risks.

Fixing Display Problems

Let’s explore the steps to resolve display problems in the Mokka.

  • Replacing the Display: If your display appears damaged, it likely needs replacement. This delicate procedure is best left to professionals.
  • Checking Cable Connections: Sometimes a fuzzy screen has an easy fix. The problem could be loose display cables. Reconnecting the cables properly often resolves the issue quickly.
  • Recalibrating the Touchscreen: If the touchscreen isn’t responding properly, it may need recalibration. Recalibration helps the screen better recognise your touch. It ensures that pressing ‘Radio’ plays music rather than the sat-nav.
  • Updating Software or Firmware: Vehicles sometimes need software updates. Updates can frequently fix annoying display issues and make the Mokka’s screen work properly again.

Repairing vehicles requires care. For complex systems, it’s best to let a professional mechanic handle the work. They’re trained to access and fix these systems so you can drive safely, leaving the complicated repairs to the experts. It’s better to enjoy the drive, leaving the technical work to professionals.

Preventing Future Electrical and Display Problems

I frequently help drivers troubleshoot issues with their Vauxhall Mokka display screens. Here are the basic steps to resolve common display problems in the Mokka:

  • Choose high-quality parts: When replacing parts in your car’s electrical system, always choose high-quality ones. They may cost a bit more at first, but they will last longer.
  • Keep software and firmware up to date: Your car’s software and firmware need regular updates to work properly, just like a mobile phone. Check for updates and install them to help your display and electrical systems work as they should.
  • Protect wires from damage and moisture: Wires carry electricity around the car, like veins. Damage or moisture can make them stop working. Check wires regularly and fix any damage or water as soon as possible.
  • Have regular checks and servicing: Don’t forget to have a professional mechanic check your Vauxhall Mokka regularly. They can spot problems early before they become big issues, especially with the electrical systems. Regular servicing is key to keeping your car in good shape.
  • Reboot the infotainment system: If the screen is frozen or acting strangely, hold down the power button next to the screen for 10 seconds to restart the system. This will often fix minor software glitches.
  • Reset the infotainment system: For persistent display issues, you may need to perform a hard reset of the infotainment system. This will clear any corrupted files or settings and restore the system to factory defaults. Check your Mokka owner’s manual for the specific steps to reset your infotainment system.

By following these tips, you can keep your Mokka’s electrical and display systems working well. Prevention is the best way to maintain your car, and it will help keep its value. If you have any questions, ask a professional mechanic for advice.

Also read: Vauxhall Mokka 1.6 CDTI Engine Problems

Vauxhall Mokka 1.4 Turbo Problems


I can assure you that diagnosing electrical and display problems in a Vauxhall Mokka, though seemingly complicated, can actually be straightforward if you know what to look for.

My experience has proven that while these glitches can be annoying, they are fixable with the proper technique, knowledge, and perseverance. Basically, consistent servicing, promptly noticing issues, and putting them right are key to keeping your Mokka in good working order for years to come.


What are some common electrical problems in a Vauxhall Mokka?

Common electrical problems in a Vauxhall Mokka can range from faulty wiring and damaged fuses to issues with screen displays and control modules. Properly diagnosing these problems is the first step towards handling them correctly.

Why is my Vauxhall Mokka’s display not working properly?

Your Vauxhall Mokka’s display not working properly could be due to several reasons. Damaged screens may need replacing, loose cable connections might need securing, and an unresponsive touchscreen may require recalibration. Sometimes, updating the car’s software or firmware can resolve the issue.

How do I prevent electrical problems in my Vauxhall Mokka?

Prevent electrical problems in your Vauxhall Mokka by ensuring high-quality electrical components are chosen for any replacements. Additionally, keeping your car’s software and firmware updated, protecting wiring from damage and moisture, and scheduling regular inspections and maintenance for the electrical system can also help prevent problems.

Can I fix electrical problems in my Vauxhall Mokka by myself?

Fixing electrical problems in your Vauxhall Mokka by yourself is possible with a sound understanding of your vehicle’s electrical system, however, some issues can be complex and may need professional attention. It’s always safer and generally recommended to consult with a professional mechanic for electrical or display related problems in your Mokka.

Can software updates resolve electrical or display issues in my Vauxhall Mokka?

Yes, in some cases, software updates can resolve electrical or display issues in your Vauxhall Mokka. Software runs a significant portion of your car’s systems, including the electrical and display functions. Regularly updating your vehicles’ software or firmware can improve the operation and potentially fix any existing glitches or issues within these systems.

Dave Marlow
Dave Marlow
Dave has been a petrohead since he can remember. He worked as a mechanic for 12 years before transitioning into automotive content writing. His dream car is a classic Red Ferrari 458.

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