Fuel And Air Ratios Control Module - Volkswagen Golf 2013 Quick Reference Specification Book

DTC Error Message
U0302 Software Incompatibility with
Transmission Control Module
U0402 Invalid Data Received From
Gear Shift Control Module A
U0415 CAN Communication With
ABS Error
U0422 Invalid Data Received From
Body Control Module (Cluster)
U0423 Invalid Data Received From
Instrument Panel Cluster
Control Module
U0427 Lost Communication With
Gateway

Fuel and Air Ratios Control Module

DTC Error Message
P12A1 Fuel Rail Pressure Sensor
Inappropriately Low
P12A2 Fuel Rail Pressure Sensor
Inappropriately High
P12A4 Fuel Rail Pump Control Valve
Stuck Closed
P150A Engine Off Time Performance
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
AT vehicle ECM coded as MT
vehicle
Transmission Data Length Code
incorrect
• Speed sensor initialization
failed
• Speed sensor low voltage
• Speed sensor error failed
Ambient temperature value
initialization failure.
• Received data implausible
message
• Ambient temperature value
(initialization) 00h(-)
CAN message incorrect
Malfunction Criteria and
Threshold Value
• Pressure control activity
> 0.25 MPa
• Fuel trim activity < 0.80
• Difference between actual
pressure vs target pressure
-16.38 to 16.38 MPa
• Pressure control activity <
-0.05 MPa
• Fuel trim activity > 1.30
• Difference between target
pressure and actual pressure
-16.38 to 16.38 MPa
• Fuel trim activity .90 to 1.15
• Pressure control activity < -6
MPa
• System Deviation < 16.38 MPa
Difference between engine off
time and ECM after run time <
-12 s or > 12 s
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