Volkswagen Golf 2013 Quick Reference Specification Book page 255

DTC Error Message
P0643 Sensor Reference Voltage A
Circuit High
P0651 Sensor Reference Voltage B
Circuit
P0652 Sensor Reference Voltage B
Circuit Low
P0653 Sensor Reference Voltage B
Circuit High
P0657 Actuator Supply Voltage A
Circuit Open
P0658 Actuator Supply Voltage A
Circuit Low
P0659 Actuator Supply Voltage A
Circuit High
P0685 ECM Power Relay Control
Circuit Open
P0686 ECM Power Relay Control
Circuit Low
P0687 ECM Power Relay Control
Circuit High
P0688 ECM Power Relay Sense
Circuit Open
P0697 Sensor Reference Voltage C
Circuit Open
P0698 Sensor Reference Voltage C
Circuit Low
P0699 Sensor Reference Voltage C
Circuit High
U0001 High Speed CAN
Communication Bus
U0002 High Speed CAN
Communication Bus
Performance
U0121 Lost Communication With
Anti-Lock Brake System
(ABS) Control Module
U0146 Lost Communication With
Gateway A
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
Signal voltage > 5 to 5.4 V
Signal voltage deviation > +/-
0.3 V
Signal voltage < 4.6 - 5.0 V
Signal voltage > 5 to 5.4 V
Signal voltage > 4.4 - 5.6 V
Signal voltage < 2.15 - 3.25 V
Signal current > 1.1 A
Control voltage 2.6 to 3.7 V and
Sense circuit voltage < 6 V
Control voltage 2.6 to 3.7 V and
Sense circuit voltage > 6 V
Signal current > 1.4 to 0.7 A and
Sense circuit voltage < 6 V
• Sense voltage > 3 V with main
relay commanded on
• Sense voltage < 3 V with main
relay commanded off
Signal voltage deviation
> ± 0.3 V
Signal voltage < 4.6 - 5.0 V
Signal voltage > 5 to 5.4 V
Bus Off failure
Global Time Out failure
CAN communication with ABS,
time out
CAN communication with
gateway, time out
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