DTC Chart
VW Golf & GTI Quick Reference Specication Book • September 2012 191
DTC Error Message Malfunction Criteria and
Threshold Value
U0415 CAN Communication With
ABS Error
• Speed sensor initialization
failed
• Speed sensor low voltage
error failed
• Implausible message received
U0422 Invalid Data Received From
Body Control Module (IPC)
Ambient temperature value
initialization failure.
U0423 Invalid Data Received From
Instrument Panel Cluster
Control Module
Implausible CAN message
received OR ambient
temperature value = 00
U0447 Lost Communication With
Gateway
CAN message implausible
U102E Fan identication sensor
Implausible signal
LIN message incorrect
U102F Fan identication sensor No
Communication
LIN communication time out
U1030 Local data bus Electrical
malfunction
LIN communication not active
Fuel and Air Ratios Control Module
DTC Error Message Malfunction Criteria and
Threshold Value
P117A Bank 1 Sensor 2 Control Limit
Reached
I portion of 3rd lambda control
loop > 0.030
P12A1 Fuel Rail Pressure Sensor
Inappropriately Low
• Pressure control activity
> 0.25 MPa
• Fuel trim activity < 0.80
• Difference between actual
pressure vs target pressure
-16.38 to 16.38 MPa
P12A2 Fuel Rail Pressure Sensor
Inappropriately High
• Pressure control activity <
-0.05 MPa
• Fuel trim activity > 1.65
• Difference between target
pressure and actual pressure
-16.38 to 16.38 MPa
P12A4 Fuel Rail Pump Control Valve
Stuck Closed
• Fuel trim activity .90 to 1.15
• Pressure control activity < -6
MPa
• System Deviation < 16.38 MPa