1999 AUDI A4 engine

01-54

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1423 17831 Sec. Air
Inj.Sys.,Bank1
Flow too low
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system
- Check fuse for secondary air injection pump
- Check vacuum hoses
- Check piping from pump to secondary air injection valve (Combi valve)
P1424 17832 Sec. Air Inj. Sys.,
Bank1
Leak Detected
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system
- Check piping from pump to secondary air injection valve (Combi valve) bank 1
P1425 17833 Tank Vent. Valve
Short to Ground
2) - Check EVAP canister valve 1 Page 24
-134
P1426 17834 Tank Vent. Valve
Open
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 65 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-55

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1432 17840 Sec. Air Inj.Valve
Open
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system, Checking Secondary Air Injection (AIR) Solenoid Valve
-N112
- Check Secondary Air Injection (AIR) Solenoid Valve -N112
P1433 17841 Sec. Air Inj. Sys.
Pump Relay Circ.
Open
2) Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system, Checking Secondary Air Injection (AIR) Pump Relay
-J299

P1434 17842 Sec. Air Inj. Sys.
Pump Relay Circ.
Short to B+
2)
P1435 17843 Sec. Air Inj. Sys.
Pump Relay Circ.
Short to Ground
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 66 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-56

DTC
Description of malfunction
Corrective action
SAE
VAG


P1453 17861 Exhaust gas temperature
sensor 1
Open/short to B+ Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB,Repair Group 26, Checking Sensor
-1- for exhaust
temperature

P1454 17862 Exhaust gas temperature
sensor 1
Short to ground
P1455 17863 Exhaust gas temperature
sensor 1
Range/performance
P1456 17864 Exhaust gas temperature
control bank 1
Limit attained Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB,Repair Group 26, Checking exhaust gas temperature control


P1457 17865 Exhaust gas temperature
sensor 2
Open/short to B+ Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB,Repair Group 26, Checking Sensor
-2- for exhaust
temperature

P1458 17866 Exhaust gas temperature
sensor 2
Short to ground
P1459 17867 Exhaust gas temperature
Pa
ge 67 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

sensor 2
Range/performance
P1460 17868 Exhaust gas temperature
control bank 2
Limit attained Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB,Repair Group 26, Checking exhaust gas temperature control


Pa
ge 68 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-57

DTC
Description of malfunction
Corrective action
SAE
VAG


P1461 17869 Exhaust gas temperature
control bank 1
Range/Performance Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB, Repair Group 26, Checking exhaust gas temperature control

P1462 17870 Exhaust gas temperature
control bank 2
Range/Performance
Pa
ge 69 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-58

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1470 17878 EVAP Emission Contr.
LDP Circ
Electrical Malfunction
2) - Check Leak Detection Pump (LDP)
P1471 17879 EVAP Emission Contr.
LDP Circ
Short to B+
2) Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Checking Leak Detection Pump (LDP)
-V144

P1472 17880 EVAP Emission Contr.
LDP Circ
Short to Ground
2)
P1473 17881 EVAP Emission Contr.
LDP Circ
Open Circuit
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 70 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-59

DTC
Description of malfunction
Corrective
SAE
VAG


P1475 17883 EVAP Emission Contr. LDP
Circ
Malfunction/Signal Circ.
Open
2) - Check hoses (pressure/vacuum) to leak detection pump
- Check wiring to pump according to wiring diagram
P1476 17884 EVAP Emission Contr. LDP
Circ
Malfunction/Insufficient
Vacuum 2) Repair Manual, Fuel Supply System, Repair Group 20, Components of
EVAP system servicing, Diagram of EVAP system

2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 71 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-60

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1477 17885 EVAP Emission Contr.
LDP Circ
Malfunction
2)
Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Checking Leak Detection Pump (LDP)
-V144
- Check Leak Detection Pump (LDP)
P1478 17886 EVAP Emission Contr.
LDP Circ
Clamped Tube
Detected
2) Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Diagram of EVAP system
- Check hoses (pressure/vacuum) to LDP.
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 72 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1