automatic transmission AUDI A8 1995 D2 / 1.G AHA Engine On Board Diagnostic Workshop Manual

01-10

4D0907551A 2.8L V6/5V MOTR HS D01 Coding 06051
WSC 00000

Indicated on display (ECM identification and coding, example)
4D0 _ _
_ Engine Control Module (ECM) Part No.
2.8 L Engine displacement
V6/5V Engine type:
V-engine, 6-cylinder, 5-valve
MOTR Motronic
HS
AT Manual transmission
Automatic transmission
D.. ECM software version
Coding ECM coding
Coding variations page 01
-14

WSC
12345 Plant number: indicates where VAG1551 scan tool was used
for last coding and/or adaptation (as long as factory coding
has not been changed, WSC 00000 is displayed)
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01-14
ECM coding variations

Country/Emissions
Drivetrain/Options
Transmission
Vehicle type
00
= ------------------ 0
= Front-wheel-drive without
traction control (ASR) 0
= 5-speed manual 0
= ------------
------
01
= ------------------ 1
= Front-wheel-drive with traction
control (ASR) 1
= ------------------ 1
= A4
02
= ------------------ 2
= All-wheel-drive without traction
control (ASR) 2
= ------------------ 2
= ------------
------
03
= ------------------ 3
= All-wheel-drive with traction
control (ASR) 3
= ------------------ 3
= ------------
------
04
= ------------------ 4
= ------------------ 4
= ------------------ 4
= ------------
------
05
= ------------------ 5
= ------------------ 5
= Automatic trans.
01V 5
= ------------
------
06
= USA, equipped with EVAP system Leak
Detection Pump (LDP) 6
= ------------------ 6
= ------------------ 6
= ------------
------
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01-15

Code number structure (example)





USA vehicle with Leak Detection Pump (LDP): 0 6
Front-wheel-drive without traction control (ASR): 0
Automatic transmission 01V: 5
Audi A4: 1
Code number: 0 6 0 5 1 Note:
Vehicles with traction control (ASR) can be recognized by the ASR control light in the instrument cluster or by ABS/ASR On
Board Diagnostic (OBD).
Repair Manual, Brake System, Repair Group 01
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01-47

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1602 18010 Power Supply (B+) Terminal 30
Low Voltage Off
- Check voltage supply to ECM page 24
-
90

P1606 18014 Rough Road Spec Engine Torque ABS-
ECU
Electrical Malfunction Off
- Check ABS control module signal for
rough road recognition page 24
-174

P1612 18020 Electronic Control Module
Incorrect Coding
(Vehicle with automatic transmission is
coded for manual transmission.) Immed.
- Code ECM page 01
-12
Electronic Control Module
Incorrect Coding
(Vehicle with ASR is not coded for ASR) Off
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01-48

Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P1624 18032 MIL Request Sign. active Immed.
Repair Manual, 5 Spd. Automatic Transmission 01V,
Repair Group 01 - Check DTC memory for Transmission Control Module
(TCM) and correct malfunctions
P1626 18034 CAN-Bus
Missing Message from
Transm. Contr. 2 Dcy
- Check CAN-Bus page 24
-172
P1640 18048 Internal Contr. Module
(EEPROM)
Error 2 Dcy
- Replace ECM page 01
-68
P1681 18089 Contr. Unit Programming
Programming not Finished Immed.
- Replace ECM page 01
-68
P1690 18098 Malfunction Indicator Light
Malfunction Off
- Check wire from ECM to Malfunction Indicator Light
(MIL) page 01
-2
Note for DTC P1624/18032:
If this malfunction is detected by the Transmission Control Module (TCM), the MIL is switched on by the ECM. In this case,
the ECM stores the malfunction "MIL Request Sign. active" (DTC P1624/18032). After repairing the malfunction, erase DTC
memory of the ECM.
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