ECO mode AUDI A8 1998 D2 / 1.G ATQ Engine Check DTC Memory And Erase DTC Memory Workshop Manual

01-28

DTC
DTC text
Corrective action
SAE
VAG


P0441 16825 Tank ventilation
system
Throughput faulty
1) - Check Evaporative Emission (EVAP) Canister Purge Regulator Valve, perform
output Diagnostic Test Mode (DTM) Page 01
-56

P0442 16826 Tank ventilation
system
Small leak
detected
1) - Checking fuel supply and ventilation systems for leaks
P0455 16839 Tank ventilation
system
Large leak
detected 1) Repair Manual, Engine Mechanical, Repair Group 20; Evaporative Emissions
(EVAP) System Diagnosis using KLI9210 EVAP Tester, test EVAP system.
P0456 16840 Tank ventilation
system
Pinhole leak
detected
1) Repair Manual, Engine Mechanical, Repair Group 20; EVAP canister system
components, servicing; tank leak diagnostic, performing.
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 17 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-52

DTC
DTC text
Corrective action
SAE
VAG


P1603 18011
Control module faulty
1)
- Replace Engine Control Module (ECM) Page 24
-21
P1604 18012
Control module faulty
2) 3)


P1606 18014 Rough terrain info/engine torque
from ABS control module
Electrical malfunction in circuit
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder - Check wire connection between Engine Control Module (ECM) and
ABS control module (powertrain databus) Page 24
-192

P1609 18017 Crash shut-off was triggered
(Crash triggered)
5) Repair Manual, Body
-On Board Diagnostic (OBD), Repair Group 01;
On Board Diagnostic (OBD) of airbag system

- Erase DTC memory of the Engine Control Module (ECM) after output
Diagnostic Test Mode (DTM) of the airbag system Page 01
-15

1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
2) For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24
-136
.
3) For these malfunctions, the Engine Control Module (ECM) switches on the Malfunction Indicator Lamp (MIL) in the
instrument cluster immediately after recognizing the malfunction. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
5) DTC is stored upon appropriate signal from airbag control module, also during output Diagnostic Test Mode (DTM) of the
airbag system.
Pa
ge 48 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2