my Volvo XC60 536 (2017-Present) dashboard lights flicker, what's happening

Solution

1. Preparation

• Gather tools required: OBD-II scanner, multimeter, socket set, and cleaning supplies.
• Ensure the vehicle is parked on a level surface and the engine is off.

2. Battery Inspection

• Sub-step 1: Disconnect the negative battery terminal to prevent electrical shock.
• Sub-step 2: Clean the battery terminals with a wire brush to remove any corrosion.
• Sub-step 3: Reconnect the terminals securely and check if the flickering persists.

3. Alternator Testing

• Sub-step 1: Start the engine and use a multimeter to check the alternator output.
• Sub-step 2: If the voltage is out of range (13.7 to 14.7 volts), replace the alternator.
• Sub-step 3: Disconnect the battery again before proceeding with alternator replacement.

4. Ground Connection Inspection

• Sub-step 1: Locate and inspect the ground connections in the engine bay and under the dashboard.
• Sub-step 2: Clean any corroded connections and tighten loose bolts.
• Sub-step 3: Reconnect the battery and check for flickering once more.

5. Fuse Inspection

• Sub-step 1: Locate the fuse box and inspect fuses related to the dashboard and electrical systems.
• Sub-step 2: Replace any blown fuses with ones of the correct amperage.
• Sub-step 3: Test the dashboard lights after replacing fuses.