222 VW Golf & GTI Quick Reference Specication Book • September 2012
DTC Error Message Malfunction Criteria and
Threshold Value
P2294 Fuel Pressure Regulator 2
Control Circuit
Open circuit diagnostic signal
from output driver
P2295 Fuel Pressure Regulator 2
Control Circuit Low
Grounded circuit diagnostic
signal from output driver
P2296 Fuel Pressure Regulator 2
Control Circuit High
Over current circuit diagnostic
signal from output driver
Fuel and Air Ratios Control Module
DTC Error Message Malfunction Criteria and
Threshold Value
P2100 Throttle Actuator Control
Motor Circuit/Open
Open circuit diagnostic signal
sent from output driver
P2101 Throttle Actuator Control
Motor Circuit Range/
performance
Missing diagnostic signal from
actuator module
P2102 Throttle Actuator Control
Motor Circuit Low
Circuit short to ground
diagnostic signal sent from
output driver
P2103 Throttle Actuator "A" Control
Motor Circuit High
Circuit short to voltage
diagnostic signal sent from
output driver
P2146 Fuel Injector Group “A” Supply
Voltage Circuit Open
Diagnostic signal from output
driver = characteristic error
pattern
P2149 Fuel Injector Group “B” Supply
Voltage Circuit Open
Diagnostic signal from output
driver = characteristic error
pattern
P2279 Intake Air System Leak • Threshold to detect a
defective system > 1.33 - 1.60
P2294 Fuel Pressure Regulator 2
Control Circuit
• Signal voltage 1.40 - 3.20 V
or
• Signal pattern incorrect
P2295 Fuel Pressure Regulator 2
Control Circuit Low Short to
Ground
Signal voltage < 1.40 - 3.20 V
P2296 Fuel Pressure Regulator 2
Control Circuit High
Signal voltage > 3.20 V
P320B O2 Bank 1 Sensor 2 Heater
Performance
Sensor temperature < 720 °C
P320C O2 Bank 1 Sensor 1/2 Lean
Correlation
Offset air fuel ratio > 0.5