Page 50 of 52

01-54
DTC
DTC text
Corrective action
SAE
VAG
P1630 18038 Throttle Position (TP) sensor -G79-
Signal too small
2) 3)
- Throttle Position (TP) sensor, checking
Page 24
-154
P1631 18039 Throttle Position (TP) sensor -G79-
Signal too large
2) 3)
P1633 18041 Sender -2- for accelerator pedal position -G185-
Signal too small
2) 3)
P1634 18042 Sender -2- for accelerator pedal position -G185-
Signal too large
2) 3)
P1639 18047 Throttle Position (TP) sensor -G79- and sender -2- for
accelerator pedal position -G185-
Implausible signal
2)3)
- Throttle Position (TP) sensor, checking
Page 24
-154
P1640 18048
Control module faulty
1)
- replacing Engine Control Module (ECM)
Page 24
-21
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
.
Pa
ge 50 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
Page 51 of 52
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 .
Pa
ge 51 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
Page 52 of 52

01-55
DTC
DTC text
Corrective action
SAE
VAG
P1648 18056 Powertrain databus
faulty - Check Engine/ABS/Transmission control module Page 24
-192
P1649 18057 Powertrain databus
Missing message from ABS
control module
P1682 18090 Powertrain databus
Implausible message from ABS
control module - Check data transfer of Engine Control Module (ECM) and other CAN
capable control modules Page 24
-192
P1853 18261 Powertrain databus
Implausible message from ABS
control module - Check data transfer of Engine Control Module (ECM) and other CAN
capable control modules Page 24
-192
P3262 16646 Exhaust bank 1/2
Oxygen sensors behind catalytic
converter mixed up - Check harness connectors1) 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
.
Pa
ge 52 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