NHTSA ID Number: 11015758
Manufacturer Communication Number: TSB-2073034_7
TSB/Document Date: 2025-03-19
Summary
This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.
A Connection offline
Technical Service Bulletin
43 Air spring symbol lights up - DTC C118D01 Compressor for level control electrical error
United States 444 Volkswagen
of America, Inc. (6444)
[Status | Released for publishing
Release date Feb 21, 2025
Diagnostic trouble codes
. . . . Fault Storage
Diagnostic address | Diagnostic trouble code
0074 - Chassis C118D01: Compressor for level control system Electrical static
control malfunction
0074 - Chassis C118D01: Compressor for level control system Electrical A
. Intermittent
control malfunction
New customer code
Object of complaint Complaint type [Position|
information, navigation, communication, entertainment -> malfunction ; . ‘
display symbols -> shock absorber control system malfunction display functionality -> activates
chassis -> damping\suspension regulation -> automatic damper adjustment functionality -> operation | |
sequence incorrect
chassis -> damping\suspension regulation -> damper adjustment functionality -> no function [|
chassis -> level control system, pitch and roll compensation functionality [|
chassis -> damping\suspension regulation -> damper adjustment functionality -> operation | |
sequence incorrect
chassis -> damping\suspension regulation -> automatic level control system | functionality -> no function [|
chassis -> damping\suspension regulation -> level control system functionality ~> operation | |
sequence incorrect
information, navigation, communication, entertainment -> indicator display _| functionality -> does not
symbols -> driving dynamics performance indicator display activate
information, navigation, communication, entertainment -> malfunction functionality -> does not
display symbols -> shock absorber control system malfunction display activate
chassis -> damping\suspension regulation -> automatic damper adjustment | functionality -> no function [|
New workshop code
Object of complaint Complaint type [Position]
chassis -> level control system, pitch and roll compensation |control modules, services -> with fault
-> level\damping control module stored in the DTC memory
Vehicle data
Audi Q5
Sales types
Final drive code
aoa |
aoa |
asia |
PR numbers
?:with 1BK
?:0r ?:with 2MA
?:0r ?:with 2MB
Audi Q7/Q8
Sales types
aosfa ff
aoaJa ff
aoa |
PR numbers
2:with 1BK
?:0r ?:with 2MA
?:or ?:with 2MB
Audi A6/A7
Sales types
aoa |
aosfa [oR
PR numbers
?:with 1BK
?:0r ?:with 1BY
?:0r ?:with 2MA
?:or ?:with 2MB
Audi A8
Sales types
asa |
aoa fT
asa [|
PR numbers
?:with 1BK
?:or ?:with 2MA
?:or ?:with 2MB
Audi e-tron / Q8 e-tron
Sales types
aoa |
aoa |
aoa |
PR numbers
?:with 1BK
?:0r ?:with 2MA
?:0r ?:with 2MB
Documents
A Connection offline
Technical Service Bulletin Transaction No.: 2073034/7
43 Air spring symbol lights up - DTC C118D01 Compressor for level control electrical Release date: Feb 21, 2025
error . ,
Condition
REVISION HISTORY
revision [pate |rurpore
7 Revised Warranty (Modified Labor Operations)
Revise Service (Added Note)
«| 06/28/2024 | Revise Service (Updated Procedure)
5 05/14/2024 | Revised Warranty (Modified Labor Operations)
Revised Header (Added Model Year)
Customer states:
The message “Air suspension: system fault” is shown in the instrument cluster.
Workshop findings:
The following DTC is logged in the suspension control unit -J775- (diagnostic address 0074):
+ €118D01: Compressor for level control electrical error.
Technical Background
Not applicable.
Production Solution
Not applicable.
Service
If no irregularities are found when checking the wiring/contacts at the air compressor and compressor electronics -
J1135-, proceed as follows:
+ Replace the control unit for compressor electronics -J1135- (not the air compressor).
+ Please use part number 4M0.907.778.
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TSB/Document ID: TSB-2073034_7
Replacement Service Bulletin Number:
MFR Communication Date: 2025-02-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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