LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2007 >> A3 Base, Standard >> Repair and Diagnosis >> Electrical >> Horns >> Communication >> 91 Communication >> Removal And Installation >> Steering Column Electronic Systems Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Steering Column Electronic Systems Control Module

-- If control module is replaced, select "Replacement" function for appropriate control module in "Guided Fault-Finding" routine using the Vehicle Diagnosis, Testing and Information System VAS 5051.

Removing 

-- Disconnect battery ground wire. Refer to [For engine(s) CBRA, BPY, CCTA, CBFA] Removal and Installation .

-- Observe airbag system safety precautions. Refer to General Information .

-- Remove the steering wheel. Refer to Removal and Installation .

-- Remove steering column switch module. Refer to FASTENER TIGHTENING SPECIFICATIONS .

-- Remove bolt -arrow- (2 Nm) below spiral spring.

Fig 1: Identifying Bolt -Arrow-
GWWA91-1005Courtesy of AUDI OF AMERICA, LLC

The Steering Column Electronic Systems Control Module -J527- is secure to steering column module with two spring retainers.

-- Release springs -1- and -2- with a small screwdriver.

Fig 2: Identifying Springs -1- And -2-
GWWA91-1006Courtesy of AUDI OF AMERICA, LLC

-- Remove steering column electronic systems control module downward from steering column module.

Installing 

-- Observe airbag system safety precautions. Refer to General Information .

-- Install in reverse order of removal.

-- Make sure that all connections have engaged and lines lie in proper guides.