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
P045C
LP EGR Actuator Circuits
Short to Ground
Signal Voltage < 150 mV
P045D
LP EGR Actuator Circuits
Short to Battery Voltage
Signal Current > 8.0 A - 18 A
P045E
LP EGR Position Sensor
Circuit EGR Stuck Open
Comparison of actual and
desired position signal:
• Valve stuck (open) > 12%
30
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February 2014
DTC
Error Message
Malfunction Criteria and
Threshold Value
LP EGR Position Sensor
Circuit EGR Stuck Closed
Comparison of actual and
desired position signal:
• EGR valve Stuck (closed)
< 12%
P046C
HP EGR Actuator Circuit
Position Sensor Signal in
Desired Range (closed)
Signal Voltage > 1.0 V or
< 0.4 V
P0470
Differential Pressure Sensor
Circuit Open or Short to
Battery Voltage
Signal voltage > 4.9 V
P0471
Differential Pressure Sensor
Circuit Dynamic Check
Detection of false connected
hose lines:
• Differential of pressure signal
< -27
Offset detection during afterrun:
• Differential of pressure signal
< -27 or > 47 hPa
P0472
Differential Pressure Sensor
Circuit Short to Ground
Sensor voltage < 0.2 V
P0473
Differential Pressure Sensor
Circuit Open or Short to
Battery
Signal voltage > 4.9 V
P0474
Exhaust Pressure Sensors
Circuit Detection of a
Disconnected Pressure
Sensor Hose Line
Downstream of Particular
Filter
Difference between modeled
and actual pressure differential
across low pressure EGR
> 40 hPa
P0475
Exhaust Door Control Unit
Circuit Open
Signal voltage > 0.8 V or
< 2.0 V
Exhaust Door Control Unit
Circuit Malfunction Error
Signal Current > 8.0 A - 18 A
P0477
Exhaust Door Control Unit
Circuit Short to Ground
Signal Current > 8.0 A - 18 A
P0478
Exhaust Door Control Unit
Circuit Short to Battery
Voltage
Signal Current > 8.0 A - 18 A
P047F
Exhaust Door Control Unit
Circuit Stuck Open
Exhaust Door Flap stuck Open
< 10%
VW Passat Quick Reference Specification Book
•
February 2014
DTC Chart
P045F
31
DTC
P0486
Error Message
Malfunction Criteria and
Threshold Value
LP EGR Position Sensor
Circuit Open
• Signal Voltage > 4.7 V
LP EGR Position Sensor
Circuit Short to Ground
• Signal Voltage < 0.21 V
P048A
Exhaust Door Control Unit
Circuit Stuck Closed
Exhaust Door Flap stuck closed
> 10%
P048B
Exhaust Flap Position Sensor
Circuit Short to Ground
Signal Voltage < 0.25 V
P048C
Exhaust Door Control Unit
Circuit Position Sensor Signal
in Desired Range (closed)
Position sensor signal in
desired range during closed
position learning > 1.1 V or
< 0.5 V
P048E
Exhaust Flap Position Sensor
Circuit Short to Battery
Voltage
Signal Voltage > 4.85 V
Speed and Idle Control
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0501
Vehicle Speed Sensor
Performance
Brake control unit error
message sent
P0502
Vehicle Speed Sensor Circuit
Low Input
Brake control unit error
message sent
P0503
Vehicle Speed Sensor
Intermittent High Signal
Vehicle speed > 320 km/h
P0506
Idle Control System
RPM Lower than Expected
Control deviation < 10%
P0507
Idle Control System
RPM Higher than Expected
Control deviation > 10%
P050E
Cold Start Engine Exhaust
Temperature Too Low
• Sensor temperature < 170° C
• Control deviation > limit from
map (engine speed, torque)
P0534
Vehicle Speed Sensor
Intermittent / Erratic / High
-
P0544
Exhaust Gas Temperature
Sensor Circuit (Upstream
Turbocharger) Open or Short
to Battery Voltage
Signal voltage > 1.72 V
32
VW Passat Quick Reference Specification Book
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February 2014
Error Message
Malfunction Criteria and
Threshold Value
P0545
Exhaust Gas Temperature
Sensor Circuit (Upstream
Turbocharger) Short to
Ground
Signal voltage < 0.45 V
P054E
Idle Control System Fuel
Quantity Higher Than
Expected
Fuel quantity < 0.004 g/rev
P054F
Idle Control System Fuel
Quantity Lower Than
Expected
Fuel quantity > 0.0182 - 0.0325
g/rev
P0562
System Voltage Low Voltage
Internal check failure of voltage
supply for ECM off timer
Control Module and Output Signals
DTC
Error Message
Malfunction Criteria and
Threshold Value
P06A3
Sensor Reference Voltage “D”
Circuit/Open
Sensor supply voltage < 2.97 V
or > 3.63 Vr
P0604
EEPROM Memory Error
• EEPROM could not be erased
- data still available
• Write EEPROM not possible
• Checksum error in 3 or more
locations
P0605
ECM Internal Test Error
ECM internal self test failed
P0606
Internal Control Module
Memory Check Sum Error
ECM internal self test failed
P0607
Control Module Performance
ECM internal self test failed
P0627
Fuel Pump Circuit Open
Signal current < 0.8 mA
P0628
Fuel Pump Circuit Short to
Ground
Signal voltage < 2.0 V
P0629
Fuel Pump Circuit Short to
Battery Voltage
Signal current > 1.0 A
P0634
ECM Internal Temperature Too Output driver temperature too
High
high >150° C
P0638
Throttle Valve Actuator Control Diagnostic signal from actuator
Motor Circuit Internal Error
module = defective state
P0641
Sensor Reference Voltage “A”
Circuit Open
Sensor supply voltage < 4.8 V
or > 5.2 V
VW Passat Quick Reference Specification Book
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February 2014
33
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P064C
Glow Plug Time Control
Module Circuit Wrong
Calibration
• Received number of cylinders
is unequal to ECU application
or
• Received Glow plug type is
unequal to ECU application
P0651
Sensor Reference Voltage “B”
Circuit Open
Sensor supply voltage < 4.8 V
or > 5.2 V
P066A
Glow Plug Cylinder 1 Circuit
Short to Battery Voltage
Signal current > 70 A
P066C
Glow Plug Cylinder 2 Circuit
Short to Battery Voltage
Signal current > 70 A
P066E
Glow Plug Cylinder 3 Circuit
Short to Battery Voltage
Signal current > 70 A
P0670
Glow Plug Time Module
Control Circuit Open or Short
to Battery Voltage
Signal Voltage > 3.44 V
P0671
Glow Plug Cylinder 1 Circuit
Open or Short to Ground
Signal current < 2.2 A
P0672
Glow Plug Cylinder 2 Circuit
Open or Short to Ground
Signal current < 2.2 A
P0673
Glow Plug Cylinder 3 Circuit
Open or Short to Ground
Signal current < 2.2 A
P0674
Glow Plug Cylinder 4 Circuit
Open or Short to Ground
Signal current < 2.2 A
P067A
Cylinder 4 Glow Plug Control
Circuit Low
Signal current > 70 A
P0684
Glow Plug Time Control
Module Circuit No PCM
Communication
• Missing communication from
the Glow plug time module
• Monitoring of supply voltage,
Message from glow plug time
module - Error Message
P068A
ECM Power Relay
Performance - Open to Early
Internal test
P068B
ECM Power Relay
Performance - Stuck
Internal test
P0697
Sensor Reference Voltage “C”
Circuit Open
Sensor supply voltage
< 3.168 V or > 3.432 V
34
VW Passat Quick Reference Specification Book
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February 2014
Error Message
Malfunction Criteria and
Threshold Value
P06B9
Glow Plug Cylinder 1
Resistance Check
Glow plug resistance time
interval after glow start:
• - 9 s (< 0,3 O),
• 9 - 14 s (< 0.4 O)
• After 14 s (< 0.5 O)
• Anytime ( > 1.2 O)
P06BA
Glow Plug Cylinder 2
Resistance Check
Glow plug resistance time
interval after glow start:
• - 9 s (< 0,3 O),
• 9 - 14 s (< 0.4 O)
• After 14 s (< 0.5 O)
• Anytime ( > 1.2 O)
P06BB
Glow Plug Cylinder 3
Resistance Check
Glow plug resistance time
interval after glow start:
• - 9 s (< 0,3 O),
• 9 - 14 s (< 0.4 O)
• After 14 s (< 0.5 O)
• Anytime ( > 1.2 O)
P06BC
Glow Plug Cylinder 4
Resistance Check
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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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