Knock Sensor 1 Circuit Short
to Ground, Port A

Lower threshold < 0.70 V

P0327

Knock Sensor 1 Circuit Signal
Range Check

Lower threshold, < 0.0....
2.1582 V

P0328

Knock Sensor 1 Circuit (Bank
1) signal range check

Upper threshold 29.0674...
114.9023 V

P0328

Knock Sensor 1 (Bank 1)
Circuit short to B+ Port B

Upper threshold > 1.00 V

P0328

Knock Sensor 1 (Bank 1)
Circuit short to B+ Port A

Upper threshold > 1.00 V

P0340

Camshaft Position Sensor
Circuit

Cam adaption values out of
range
• > 20 °KW
• < -20 °KW
• Difference of adapted and
actual values > 9° KW

P0341

Camshaft Position Sensor A
Circuit Range / Performance
(Bank 1 or Single Sensor)

• Signal pattern incorrect

P0342

Camshaft Position Sensor A
Circuit Low Input (Bank 1 or
Single Sensor)

• Signal voltage low and
crankshaft signals, 8.0

P0343

Camshaft Position Sensor A
Circuit High Input (Bank 1 or
Single Sensor)

• Signal voltage low and
crankshaft signals, 8.0

P0351

Ignition Coil A Primary /
Secondary Circuit

• Signal current < -0.25 to
2.00 mA
or
• Internal check failed

P0352

Ignition Coil B Primary /
Secondary Circuit

• Signal current < -0.25 to
2.00 mA
or
• Internal check failed

P0353

Ignition Coil C Primary /
Secondary Circuit

• Signal current < -0.25 to
2.00 mA
or
• Internal check failed

30

VW Golf & GTI Quick Reference Specification Book • January 2014

Error Message

P0354

Ignition Coil D Primary /
Secondary Circuit

Malfunction Criteria and
Threshold Value

DTC Chart

DTC

• Signal current < -0.25 to
2.00 mA
or
• Internal check failed

Additional Exhaust Regulation
DTC

Error Message

Malfunction Criteria and
Threshold Value

P0420

Catalyst System Efficiency
Below Threshold (Bank 1)

• Measured OSC / OSC of
borderline catalyst value for
front catalyst , < 0.40
or
• Value for front catalyst, < 1.30
and
• Value for main catalyst, < 1.20

P0420

Catalyst System (main)
Efficiency Below Threshold
(Bank 1) PZEV Only

• Measured OSC / OSC of
borderline catalyst value for
main catalyst, < 0.90
• While
• Value for front catalyst, < 2.00

P0420

Catalyst System (only bin
5, ULEV) Efficiency Below
Threshold (Bank 1)

Measured OSC / OSC of
borderline catalyst. EWMA filter
value for catalyst, < .20

P0441

Evaporative Emission System
Incorrect Purge Flow

Reaction of idle controller or
lambda controller Deviation less
than 7% lambda controller AND
35% idle controller deviation

P0442

Evaporative Emission System
Leak Detected (Small Leak)

Time for pressure drop
< 1.55...1.75s.

P0444

Evaporative Emission System
Purge Control Valve Circuit
Open

Signal voltage> 4.40... 5.40 V

P0455

Evaporative Emission System
Leak Detected Gross Leak/
No Flow

Time for pressure drop
< 0.95 Sec.

P0456

Evaporative Emission System
Leak Detected Very Small
Leak

< 4.5 - 6.0 s.

P0458

Evaporative Emission System
Purge Control Valve Circuit
Low

Signal voltage 2.15 - 3.25 V

VW Golf & GTI Quick Reference Specification Book • January 2014

31

DTC

Error Message

P0459

Evaporative Emission System
Purge Control Valve Circuit
High

Malfunction Criteria and
Threshold Value
Signal current > 2.20 A

Speed and Idle Control
DTC

Error Message

Malfunction Criteria and
Threshold Value

P0501

Vehicle Speed Sensor A
Range / Performance

VSS signal, < 4 km/h

P0501

Vehicle Speed Sensor A
Range / Performance Only
(ULEV)

VSS signal, < 4 km/h

P0503

Vehicle Speed Sensor A Out of Vehicle speed > 200 km/h
range high

P0506

Idle Air Control System - RPM
Lower Than Expected

Engine speed deviation -80 RPM

Control Module and Output Signals
DTC

Error Message

Malfunction Criteria and
Threshold Value

P0601

Internal Control Module
Memory Check Sum Error

Internal check sum, incorrect

P0604

Internal Control Module
Random Access Memory
(RAM) Error

Write ability check, failed

P0605

Internal Control Module Read
Only Memory (ROM) Error

Checksum incorrect

P0606

ECM Processor

Powerup calibration
• EEPROM check, failed
A/D channel conversion
• Check failed

P0627

Fuel Pump “A” Control Circuit
/Open

• Internal error fuel pump control
unit
• Feedback from fuel pump
control unit Pump blocked
short circuit to battery +,
ground or open circuit

32

VW Golf & GTI Quick Reference Specification Book • January 2014

Error Message

Malfunction Criteria and
Threshold Value

P0638

Throttle Actuator Control
Range / Performance - Bank 1

Rationality check:
• Time to close to reference
point > 0.56s.
and
• Reference point 2.88%
Signal range check:
• Duty cycle > 80%
and
• ECM power stage, no failure

P0641

Sensor Reference Voltage A
Circuit Open

Signal voltage deviation
> ± 0.3 V

P0642

Sensor Reference Voltage A
Circuit Low

Signal voltage, < 4.6-5 V

P0643

Sensor Reference Voltage A
Circuit High

5 V supply voltage > 4.995.41 V

P0651

Sensor Reference Voltage B
Circuit Open

Signal voltage deviation
> ± 0.3 V

P0652

Sensor Reference Voltage B
Circuit Low

Signal voltage, < 4.6-5 V

P0653

Sensor Reference Voltage B
Circuit High

5 V supply voltage > 4.995.41 V

P0657

Actuator Supply Voltage A
Circuit / Open

Signal voltage > 4.40 - 5.60 V

P0658

Actuator Supply Voltage A
Circuit Low

Signal voltage < 2.15 - 3.25 V

P0659

Actuator Supply Voltage “A”
Circuit High

Signal current > 1.10 A

P0685

ECM / PCM Power Relay
Control Circuit/Open

• Signal voltage, 2.6-3.7 V
• Sense circuit voltage, > 6 V

P0686

ECM / PCM Power Relay
Control Circuit Low

• Signal voltage, 2.6-3.7 V
• Sense circuit voltage, > 6 V

P0687

ECM / PCM Power Relay
Control Circuit High

• Signal current, > 1.4-0.7 A
• Sense circuit voltage, < 6 V

P0688

ECM / PCM Power Relay
Sense Circuit

• Sense voltage, < 3.0 V
• Difference sense circuit
voltage with camshaft actuator
commanded off and on >2.5 V
• Battery voltage > 3 V

P0697

Sensor Reference Voltage C
Circuit / Open

Signal voltage deviation
> ± 0.3 V

P0698

Sensor Reference Voltage C
Circuit Low

Signal voltage, < 4.6 - 5 V

VW Golf & GTI Quick Reference Specification Book • January 2014

DTC Chart

DTC

33

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0699

Sensor Reference Voltage C
Circuit High

5 V supply voltage > 4.99 5.41 V

U0001

High Speed CAN
Communication Bus

CAN message, no feedback

U0002

High Speed CAN
Communication Bus
Performance

Global time out

U0100

Lost Communication with ECM • Failure of all CAN engine
/ PCM A
messages, Time out more
than 490 mSec
• Failure of all CAN engine
messages but not all CAN
messages, Time out more
than 1010 mSec

U0101

Lost Communication with TCM • Checksum check Failed
Message counter check failed
• Time out check No message
received by ECM

U0121

CAN ABS Brake Unit

CAN communication with brake
unit, time-out

U0146

CAN gateway A

CAN communication with
gateway, time-out

U0302

Software Incompatibility with
Transmission Control Module

AT vehicle ECM coded as MT
vehicle

U0323

CAN: Instrument Cluster Audi
Only

Ambient temp value module
not encoded for ambient temp
sensor, 00h

U0402

CAN communication with TCM Data length code transmitted,
incorrect

U0404

Invalid Data Received From
Gear Shift Control Module

• If the value of message
counter is permanent,
constant, or change exceeds a
threshold, increment an event
counter
• Maximum change of message
counter > 5

U0415

CAN Link to Speed Sensor

Speed sensor initialization
failure

U0422

CAN: Instrument Cluster

Ambient temp. value