Volkswagen Golf 2013 Quick Reference Specification Book page 220

DTC
P2101 Throttle Actuator Control
Motor Circuit Range/
Performance
P2106 Throttle Actuator Control
System - Forced Limited
Power
P2122 Throttle/Pedal Position
Sensor/Switch D Circuit Low
Input
P2123 Throttle/Pedal Position
Sensor/Switch D Circuit High
Input
P2127 Throttle/Pedal Position
Sensor/Switch E Circuit Low
Input
P2128 Throttle/Pedal Position
Sensor/Switch E Circuit High
Input
P2138 Throttle/Pedal Position
Sensor/Switch D/E Voltage
Correlation
P2146 Fuel Injector Group A Supply
Voltage Circuit / Open
P2149 Fuel Injector Group B Supply
Voltage Circuit/Open
P2177 System too lean off idle, Bank
1
P2178 System too rich off idle, Bank
1
P2181 Cooling System Performance
P2187 System too lean at idle, Bank
1
P2188 System too rich at idle, Bank 1 System to rich @ idle adaptive
208 VW Golf & GTI Quick Reference Specification Book • September 2012
Error Message Malfunction Criteria and
Threshold Value
• Duty cycle >80%
• Deviation throttle value angles
vs. calculated value 4 - 50%
• ECM power stage no failure
Internal check failed
Signal voltage < 0.606 V
Signal voltage > 4.794 V
Signal voltage < 0.268 V
Signal voltage > 2.431 V
• Signal voltage: Difference
between signal APP1 and
APP2 > 0.167 - 0.703 V
Signal current, < 2.6 A
or
• Signal current > 14.70 A
• Signal current, < 2.6 A
or
• Signal current > 14.70 A
System to lean @ part load
adaptive value > 28.00%
System to rich @ part load
adaptive value < -21.00%
Cooling system temperature too
low after a sufficient mass air
flow integral 74 - 84 °C
System to lean @ idle adaptive
value > 5.02%
value < -5.02%