check engine light AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst

AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1054/w960_1054-0.png AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst

Page 87 of 166

AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst 01-72
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1639   18047   Accelera. Pedal Pos. 
Sensor1+2  
Range/Performance 
1) 3)
  - Check acceleration pedal position sensor

Page 89 of 166

AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst 01-73
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1650   18058   Powertrain CAN-bus  
Missing message from instrument 
cluster  - Check data transfer   Page 24-201
P165

Page 91 of 166

AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst 01-74
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1851   18259   Data Bus Powertrain  
Missing Message from Brake Contr  
 Repair Manual, Brake System On Board Diagnost

Page 134 of 166

AUDI A4 2000 B5 / 1.G APB Engine Motronic Syst  
1 
2 
3 
4
Note:  
If test is not initiated or the display jumps from "Test ON" to "Test OFF" 
slightly accelerate engine briefly, test will be repeated.  -  Check specified value in display field 4
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