Volkswagen Golf 2013 Quick Reference Specification Book page 243

DTC Error Message
P0670 Glow Plug Module 1 Control
Circuit electrical malfunction
electrical circuit
P0671 Cylinder 1 Glow Plug Circuit
Q10 Electrical Fault
P0672 Cylinder 2 Glow Plug Circuit
Q11 Electrical Fault
P0673 Cylinder 3 Glow Plug Circuit
Q12 Electrical Fault
P0674 Cylinder 4 Glow Plug Circuit
Q13 Electrical Fault
P068A ECM Power Relay
Performance - De-Energized
Too Early
P068B ECM Power Relay
Performance - De-Energized
Too Late
P0684 Glow Plug Control Module to
PCM Communication Circuit
Range/Performance
P0697 Sensor Reference Voltage "C"
Circuit Open
P2610 ECM/PCM Internal Engine Off
Timer Performance
P2632 Fuel Pump "B" Control Circuit
Open
P2633 Fuel Pump "B" Control Circuit
Low
P2634 Fuel Pump "B" Control Circuit
High
P268A Fuel Injector Calibration Not
Learned/Programmed
U0001 High Speed CAN
Communication Bus
U0002 High Speed CAN
Communication Bus
Performance
U0101 Lost Communication with TCM No TCM messages received.
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
Message from glow control unit
= 3.44 V
Message from Glow Control
Unit, (glow current < 2.2 A)
Message from Glow Control
Unit, (glow current < 2.2 A)
Message from Glow Control
Unit, (glow current < 2.2 A)
Message from Glow Control
Unit, (glow current < 2.2 A)
Relay stuck, no change in
circuit voltage
Relay stuck, no change in
circuit voltage
Message from glow relay-
missing info from Glow Control
Unit
Sensor supply voltage < 3.168
V or > 3.432 V
Quantity time over threshold <
7.52 or > 8.48 Sec.
Open circuit diagnostic signal
from output driver
Grounded circuit diagnostic
signal from output driver
Over current circuit diagnostic
signal from output driver
Accumulated global release
time of zero fuel calibration
but disabled by rail pressure
deviation > 35s
CAN driver A status Bus Off.
CAN driver A status no
communication
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