2000 AUDI A4 catalytic converter

01-34

DTC
DTC text
Corrective action
SAE
VAG


P1136 17544 Bank 1, mixture
adaptation (add.)
System too lean
1) - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-30
P1137 17545 Bank 1, mixture
adaptation (add.)
System too rich
1) - Check Mass Air Flow (MAF) sensor Page 24
-56
- Check oxygen sensor before catalytic converter Page 24
-76
P1138 17546 Bank 2, mixture
adaptation (add.)
System too lean
1) - Check oxygen sensor behind catalytic converter Page 24
-97
P1139 17547 Bank 2, mixture
adaptation (add.)
System too rich
1) - Check Evaporative Emission (EVAP) Canister Purge Regulator Valve Page
24
-128

P1140 17548 Bank 2, sensor 2
Internal resistance too
large
1) - Next check signal wires for contact resistance => page Page 24
-114
; if
there are no contact resistances: Replace oxygen sensor
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 .
Note:
add = additive, means that malfunction is only valid at closed throttle (idle).
Pa
ge 25 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

01-37

DTC
DTC text
Corrective action
SAE
VAG


P1176 17584 Bank 1, oxygen sensor correction behind
catalytic converter
Control limit reached
1) - Check oxygen sensor aging of oxygen sensor before
catalytic converter
Page 24
-93

P1177 17585 Bank 2, oxygen sensor correction behind
catalytic converter
Control limit reached
1) - Check oxygen sensor and oxygen sensor control behind
catalytic converter
Page 24
-97

P1213 17621 Cylinder 1 fuel injector -N30-
Short circuit to B+
1) - Check fuel injectors Page 24
-36
P1214 17622 Cylinder 2 fuel injector -N31-
Short circuit to B+
1)
P1215 17623 Cylinder 3 fuel injector -N32-
Short circuit to B+1)
P1216 17624 Cylinder 4 fuel injector -N33-
Short circuit to B+1)
P1217 17625 Cylinder 5 fuel injector -N83-
Short circuit to B+1)
P1218 17626 Cylinder 6 fuel injector -N84-
Short circuit to B+1)
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 28 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

01-55

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