light AUDI A4 1998 B5 / 1.G APB Engine Motronic Syst
[x] Cancel search | Manufacturer: AUDI, Model Year: 1998, Model line: A4, Model: AUDI A4 1998 B5 / 1.GPages: 166, PDF Size: 0.53 MB
Page 39 of 166

01-32
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P0601   16985   Internal Contr. Module Memory  
Check Sum Error
2)  - Replace Engine Control  
Module (ECM)   Page 24
-24
P0604   16988   Internal Contr. Module Random Access  
Memory (RAM) Error 
2)    
P0605   16989  
Internal Contr. Module ROM Test Error 
2)  
  
P0606   16990   Control module faulty  
- Replace Engine Control Module (ECM)   Page 24
-24
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 39 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 
Page 40 of 166

01-33
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1102   17510   O2 Sensor Heating Circ., Bank1-
Sensor1  
Short to B+ 
2)  - Check oxygen sensor heater   Page 24
-114
P1105   17513   O2 Sensor Heating Circ., Bank1-
Sensor2  
Short to B+ 
2)    
P1107   17515   O2 Sensor Heating Circ., Bank2-
Sensor1  
Short to B+ 2)    
P1110   17518   O2 Sensor Heating Circ., Bank2-
Sensor2  
Short to B+ 2)    
P1111   17519   O2 Control (Bank 1)  
System too lean  - Check oxygen sensor adaptation values and oxygen sensor control 
 Page 24
-86
 
P1112   17520   O2 Bank 1  
System too rich    
  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 40 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 
Page 41 of 166

01-34
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1113   17521   Bank1-Sensor1  
Internal Resistance too High 
2)  - Check oxygen sensor heater   Page 24
-114
P1114   17522   Bank1-Sensor2  
Internal Resistance too High
 2)
  - Check oxygen sensor signal wire and activation   Page 24
-
122
 
P1115   17523   O2 Sensor Heater Circ., Bank1-
Sensor1  
Short to Ground 
2)  - Check oxygen sensor heater   Page 24
-114
P1116   17524   O2 Sensor Heater Circ., Bank1-
Sensor1  
Open 
2)    
P1117   17525   O2 Sensor Heater Circ., Bank1-
Sensor2  
Short to Ground 
2)    
P1118   17526   O2 Sensor Heater Circ., Bank1-
Sensor2  
Open 
2)    
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
Pa
ge 41 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 
Page 43 of 166

01-35
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1119   17527   O2 Sensor Heater Circ., Bank2-Sensor1  
Short to Ground 
2)  - Check oxygen sensor heater   Page 24
-114
 .
P1120   17528   O2 Sensor Heater Circ., Bank2-Sensor1  
Open 
2)    
P1121   17529   O2 Sensor Heater Circ., Bank2-Sensor2  
Short to Ground 
2)    
  
P1122   17530   O2 Sensor Heater Circ., Bank2-Sensor2  
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 43 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 
Page 44 of 166

01-36
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1127   17535   Long Term Fuel Trim mult., Bank1  
System too rich 
2)  - Carry out road test (Fuel in engine oil)
- Check fuel pressure   Page 24
-33
P1128   17536   Long Term Fuel Trim mult., Bank1  
System too lean 
2)  - Check Mass Air Flow (MAF) Sensor   Page 24
-59
- Check for unmetered (false) air   Page 24
-76
P1129   17537   Long Term Fuel Trim mult., Bank2  
System too rich 
2)  - Check oxygen sensor before catalytic converter   Page 24
-81
- Check oxygen sensor behind catalytic converter   Page 24
-100
P1130   17538   Long Term Fuel Trim mult., Bank2  
System too lean 
2)  - Check fuel injectors   Page 24
-43
P1131   17539   Bank2-Sensor1  
Internal Resistance too High 
2)  - Check oxygen sensor heater   Page 24
-114
 .
- Check oxygen sensor signal wire and activation   Page 24
-122
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 .  
Note:  
mult. = multiplikative means that the malfunction affects the entire RPM and load range. 
Pa
ge 44 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 
Page 45 of 166

01-37
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1136   17544   Long Term Fuel Trim Add. Fuel, 
Bank1  
System too Lean 
2)  - Carry out road test (fuel in engine oil)
P1137   17545   Long Term Fuel Trim Add. Fuel, 
Bank1  
System too Rich 
2)  - Check fuel pressure   Page 24
-33
P1138   17546   Long Term Fuel Trim Add. Fuel, 
Bank2  
System too Lean 
2)  - Check Mass Air Flow (MAF) Sensor   Page 24
-59
P1139   17547   Long Term Fuel Trim Add. Fuel, 
Bank2  
System too Rich 
2)  - Check oxygen sensor before catalytic converter   Page 24
-81
- Check oxygen sensor behind catalytic converter   Page 24
-
100
 
- Check EVAP canister valve 1   Page 24
-134
P1140   17548   Bank2-Sensor2  
Internal Resistance too High 
2)  - Check oxygen sensor heater   Page 24
-114
 .
- Check oxygen sensor signal wire and activation   Page 24
-
122
 
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 45 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 
Page 48 of 166

01-39
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1171   17579   Throttle Actuation Potentiometer 
Signal 2  
Range/Performance
 1) 3)
  - Check throttle actuation potentiometer   Page 24
-153
 .
P1172   17580   Throttle Actuation Potentiometer 
Signal 2  
Signal too Low
 1) 3)
    
  
P1173   17581   Throttle Actuation Potentiometer 
Signal 2  
Signal too High
 1) 3)
    
  
P1176   17584   O2 Correction Behind Catalyst, B1  
Limit Attained 
2)  - Check oxygen sensor aging of oxygen sensors before catalytic 
converters  Page 24
-93
 
P1177   17585   O2 Correction Behind Catalyst, B2  
Limit Attained 
2)  - Check oxygen sensors and  
oxygen sensor control behind catalytic converters   Page 24
-100
1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is 
switched on by the ECM immediately after the malfunction has been recognized. Significance of EPC malfunction indicator 
light  Page 24
-142
 .  
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 48 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 
Page 49 of 166

3) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the 
malfunction has been recognized. Significance of MIL   Page 01
-3 .  
Pa
ge 49 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 
Page 50 of 166

01-40
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1213   17621   Cyl. 1-Fuel Inj. Circ.  
Short to B+ 
2)  - Check fuel injectors   Page 24
-39
P1214   17622   Cyl. 2-Fuel Inj. Circ.  
Short to B+ 
2)    
P1215   17623   Cyl. 3-Fuel Inj. Circ.  
Short to B+ 2)    
P1216   17624   Cyl. 4-Fuel Inj. Circ.  
Short to B+ 2)    
P1217   17625   Cyl. 5-Fuel Inj. Circ.  
Short to B+ 2)    
P1218   17626   Cyl. 6-Fuel Inj. Circ.  
Short to B+ 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 50 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 
Page 51 of 166

01-41
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1225   17633   Cyl. 1-Fuel Inj. Circ.  
Short to Ground 
2)  - Check fuel injectors   Page 24
-39
P1226   17634   Cyl. 2-Fuel Inj. Circ.  
Short to Ground 
2)    
P1227   17635   Cyl. 3-Fuel Inj. Circ.  
Short to Ground 2)    
P1228   17636   Cyl. 4-Fuel Inj. Circ.  
Short to Ground 2)    
P1229   17637   Cyl. 5-Fuel Inj. Circ.  
Short to Ground 2)    
P1230   17638   Cyl. 6-Fuel Inj. 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 51 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