NHTSA ID Number: 10122275
Manufacturer Communication Number: QRG - 2014 Passa
TSB/Document Date: 2017-11-08
Summary
2014 Volkswagen
Passat Quick Reference Specification Book This document is an overview which covers multiple -Engine Codes -Fuel and Air Mixture, Additional Emissions Regulations -Ignition System -Additional Exhaust Regulation -Speed and Idle Control -Control Module and Output Signals -Fuel and Air Ratios Control Module -Ignition System -Additional Emissions Regulations
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0448
EVAP Leak Detection Pump
Valve Open or Short to Battery
Plus
• Signal current > 2.20 to 4.00 A
EVAP Leak Detection Pump
Valve Short to Ground
• Signal voltage < 2.74 to
3.26 V
P0455
Evaporative Emission System
Leak Detected (gross leak/no
flow)
Time for pressure drop < 1.1 1.3 Sec.
P0456
Evaporative Emission System
Leak Detected (Very Small
Leak)
General:
• Time for pressure drop, < 4.8
- 6.0 Sec.
Rationality Check:
• EVAP-system leakage area
calculated from pump current
curve > 0.17 mm²
P0458
Evaporative Emission System
Purge Control Valve Short to
Ground
Signal voltage 0 to 3.26 V
P0459
Evaporative Emission System
Purge Control ValveCircuit
Open or Shorted to Battery
Signal current > 2.20 A
P0496
EVAP Purge Valve Functional
Check: Stuck Open
Actual EVAP pump current
difference between reference
measurement to idle > 1.40
divided by pump current
difference from the last leak
detection phase during engine
off
Speed and Idle Control
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0501
Vehicle Speed Sensor A
Range/Performance
Speed sensor signal: plausibility
error
P0502
Vehicle Speed Sensor Shorted
to Ground
Vehicle speed sensor signal
failure
P0506
Idle Air Control System RPM
Out of Range Low
• Engine speed Deviation > 100
RPM
and
• RPM controller torque value ≥
calculated max value.
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February 2014
Error Message
Malfunction Criteria and
Threshold Value
P0507
Idle Air Control System RPM
Out of Range High
• Idle speed Deviation < -100
RPM
and
• Idle controller at min value
-4.98%
P050A
Cold Start Idle Air Control
Out of Range Low
• Engine speed deviation > 100
RPM
• RPM controller torque value ≥
calculated max value.
or
• Engine speed deviation < -200
RPM
and
• RPM controller torque value ≤
calculated min value.
or
• Integrated number of fuel cut
off transitions ≥ n.a.
Out of Range High
P050B
Cold Start Ignition Timing
Performance
Difference between
commanded spark timing and
actual value > 22%
P052A
Cold Start “A” Camshaft
Position Timing OverAdvanced Bank 1
Difference between target
position vs. actual position > 12
to 40° CRK
P053F
Cold Start Fuel Pressure
Performance
Difference between target
pressure vs actual pressure:
> 1.50 MPa or < -1.50 MPa
P054A
Cold Start “B” Camshaft
Position Timing OverAdvanced Bank 1
Difference between target
position vs. actual position > 10
to 22° CRK
Control Module and Output Signals
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0601
Internal Control Module
Memory Check Sum Error
ECM internal checksum
incorrect
P0604
Internal Control Module
Random Access Memory
(RAM) Error
Write ability check, failed
P0606
Signal gradient is > 14.00 or
< -14.00 kPa Sec
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DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P062B
Internal ECM Fuel Injector
Control Performance
SPI communications check
Identifier failure
P0638
Throttle Actuator Control
Rationality Check Close
Movement
• Time to close to reference
point > 0.6 Sec.
and
• Reference point 2.88%
Signal Range Check @
Mechanical Stop Low
• TPS 1 signal voltage ‘NOT
0.40 to 0.80 V
or
• TPS 2 signal voltage ‘NOT
4.20 to 4.60 V
P0641
Sensor Reference Voltage A
Circuit Open
Signal voltage deviation
> ± 0.3 V
P0651
Sensor Reference Voltage B
Circuit Open
Signal voltage deviation
> ± 0.3 V
P0657
Actuator Supply Voltage A
Circuit Open
Signal voltage > 4.4 - 5.6 V
P0685
ECM/PCM Power Relay
Control Circuit Open
Control voltage > 0.7 V
P0686
ECM/PCM Power Relay
Control Circuit Low
Control voltage < 0.51 V
P0687
ECM/PCM Power Relay
Control Circuit High
Control voltage > 4.0 V
P0688
ECM/PCM Power Relay Sense • Sense voltage < 3.0 V
Circuit
P0697
Sensor Reference Voltage C
Circuit Open
Signal voltage deviation
> ± 0.3 V
U0001
High Speed CAN Reading
Back Sent Message
CAN message = no feedback
U0002
High Speed CAN
Communication Bus
Performance
Global Time Out failure. No
module communication on
CAN.
U0101
High Speed CAN Lost
Communication with TCM
CAN communication with TCM
no message received.
U0121
High Speed CAN Lost
Communication with Anti-Lock
Brake System (ABS) Control
Module
CAN communication with ABS
no message received.
U0146
High Speed CAN Lost
Communication with Gateway
CAN communication with
gateway no message received.
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Error Message
Malfunction Criteria and
Threshold Value
U0155
Lost Communication with
Instrument Panel Cluster (IPC)
Control Module
CAN communication with IPC
no message.
U0302
Software Incompatibility with
Transmission Control Module
AT vehicle, ECM coded as MT
vehicle
U0402
Invalid Data Received From
Gear Shift Control Module
CAN communication with TCM
received implausible message.
U0415
CAN Communication with ABS
Error
• Speed sensor signal: out of
range = 202.8 MPH
or
• Speed sensor signal: sensor
error = 203.4 MPH
• Speed sensor signal: low
voltage error = 203.4 MPH
or
• Speed sensor signal:
initialisation error = 203.4
MPH
U0423
Invalid Data Received From
Instrument Panel Cluster
Control Module
CAN message incorrect.
DTC Chart
DTC
Fuel and Air Ratios Control Module
DTC
Error Message
Malfunction Criteria and
Threshold Value
P12A1
Fuel Rail Pressure Sensor
Inappropriately Low
• Pressure control activity
> 0.13 MPa
and
• Fuel trim activity < 0.78
and
• Difference between target
pressure vs actual pressure
n.a.
P12A2
Fuel Rail Pressure Sensor
Inappropriately High
• Pressure control activity
< -0.13 MPa
and
• Fuel trim activity > 1.21
and
• Difference between target
pressure vs actual pressure
n.a.
VW Passat Quick Reference Specification Book
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February 2014
85
DTC
Error Message
Malfunction Criteria and
Threshold Value
P12A4
Fuel Rail Pump Control Valve
Stuck Closed
• Pressure control activity
< -4.0 MPa
and
• Fuel trim activity .80 to 1.20
and
• Difference between target and
actual pressure < -4.00 MPa
P150A
Engine Off Time Performance
• Difference between engine off
time and ECM after run time
< -8 Sec.
or
• Difference between engine off
time and ECM after run time
> 8 Sec.
P1609
Safety Measures Due to Crash Airbag(s) activated
with Airbag Activation
P160A
Vehicle In Transport Mode
Transport mode active
P2101
Throttle Actuator Control
Motor Circuit Signal Range/
Performance
• Duty cycle >80%
and
• ECM power stage no failure
Rationality Check
• Deviation throttle value angles
vs. calculated value: 4 to 50%
Throttle Actuator Control
System Open Circuit
Internal check failed
P2106
Short To Battery Plus/ Short to
Ground Temperature / Current
Monitoring Functional Check
P2108
Throttle Actuator Control
Module Performance
Time to close under reference
point > 0.60 Sec. and reference
point 11.56%
P2122
Accelerator Pedal Position
Sensor 1 Out of Range Low
Signal voltage < 0.61 V
P2123
Accelerator Pedal Position
Sensor 1 Out of Range High
Signal voltage > 4.79 V
P2127
Accelerator Pedal Position
Sensor 2 Out of Range Low
Signal voltage < 0.27 V
P2128
Accelerator Pedal Position
Sensor 2 Out of Range High
Signal voltage > 2.43 V
P2138
Accelerator Pedal Position
Sensor 1 / 2 Voltage
Correlation
Signal voltage: Difference
between signal APP1 and APP2
> 0.17 to 0.70 V
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VW Passat Quick Reference Specification Book
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- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
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TSB/Document ID: QRG - 2014 Passa
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MFR Component System:
MFR Component Subsystem:
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