P05B5

Symptoms

• Check Engine light on
• Section B blind system does not work completely
• Blinds locked in emergency position
• Possible blown fuse in fuse box
• The position sensor also does not function

Causes

• Blown blinds power fuse
• Broken or damaged power cord
• Faulty blinds power relay
• Oxidation of the power connector with loss of contact
• Previous short circuit that caused a fuse to blow

How to Fix

1. Find and check the fuse for the power supply circuit of the blinds according to the car diagram
2. If the fuse is blown, find out the reason (check the wiring for a short circuit) before replacing it
3. Check the presence of voltage at the input and output of the blinds power relay
4. Check the entire length of the power cable from the fuse/relay to the blind connector
5. Replace the faulty element (fuse, relay or wire)
6. After power is restored, check system operation and reset codes

Related codes

Error P05B5 by Vehicle Brand