Categories: Auto Repair

BMW N20 Valvetronic 135401 DME Trouble Solution

BMW N20 Valvetronic error cause engine warning light ON,power drops and the dashboard prompt error message “Transmission system failure”.

 

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2024.08 BMW Rheingold ISTA+ 4.48.40 4.23.14 ISTA-P 3.71 Free Download

 

Trouble Codes:

Fault Code: 135401
Fault Explanation: Valvetronic: overloaded amplifier

 

Fault Code: 1F0904

Internal activating Valvetronic malfunction.

 

Fault Code:133202

Valvetronic servomotor, activation: short circuit to ground

 

Fault Code:133011

Valvetronic supply voltage malfunction.

 

Fault Code:135608

Valvetronic: No movement identified” stored in the Digital Motor Electronics (DME)

 

 

Solution:

Remove ECU from car,then open cover to get PCB

Replace TLE7183F motor driver chip

Replace Servo motor

 

Solved!

auto

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