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
Secondary Air Injection
System
Deviation SAI pressure > 50 hPa
P0413
Secondary Air Injection
System Switching Valve
Circuit Open
Signal voltage 9.25 to 11.25 V
P0414
Secondary Air Injection
System Switching Valve
Circuit Shorted
• Signal voltage > 6.0 V
or
• Signal current > 2.20 A
P0418
Secondary Air Injection
System Control Circuit
Signal voltage 4.70 to 5.40 V
P0420
Catalyst System Efficiency
Below Threshold
• Oxygen storage capacity
(OSC) vs OSC value of
borderline catalyst < 1.00
P043E
Evaporative Emission System
Leak Detection Reference
Orifice Low Flow
EVAP pump current during
reference measurement > 40
mA
P043F
Evaporative Emission System
Leak Detection Reference
Orifice High Flow
EVAP pump current during
reference measurement
< 15 mA
P0441
Evaporative Emission System
Incorrect Purge Flow - Stuck
Closed
Drop of pump current > 1.0 mA
P0442
Evaporative Emission System
Leak Detected (Small Leak)
Time for pressure drop
< 1.9 Sec
P0444
Evaporative Emission System
Purge Control Valve Circuit
Open
Signal voltage 4.70 - 5.40 V
P0447
Evaporative Emission System
Vent Control Circuit Open
Signal voltage > 4.70 - 5.40 V
P0448
Evaporative Emission System
Vent Control Circuit Shorted
• Signal current > 2.2 to 4 A
or
• Signal voltage < 2.74 to 3.26 V
P0455
Evaporative Emission System
Leak Detected (Gross Leak)
Time for pressure drop < 1 Sec.
P0456
Evaporative Emission System
Leak Detected (Very Small
Leak)
Time for pressure drop < 5.8
Sec
P0458
Evaporative Emission System
Purge Control Valve Circuit
Low
Signal voltage 0 to 3.26 V
VW Passat Quick Reference Specification Book
•
February 2014
DTC Chart
DTC
55
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0459
Evaporative Emission System
Purge Control Valve Circuit
High
Signal current > 2.2 A
P0491
Secondary Air System
Insufficient Flow
• SAI pressure vs. modeled SAI
< 50 - 72%
or
• Absolute deviation of raw
pressure signal from filtered
signal mean value < 8.98 hPa
Speed and Idle Control
DTC
Error Message
P0501
Vehicle Speed Sensor Range/
Performance
Vehicle speed < 4 km/h
P0503
Vehicle Speed Sensor
Intermittent/Erratic/High
Vehicle speed > 325 km/h
P0506
Idle Air Control System - RPM
Lower Than Expected
• Engine speed deviation > 100
RPM
• RPM controller torque value ≥
calculated max value.
P0507
Idle Air Control System - RPM
Higher Than Expected
• Engine speed deviation < -100
RPM
• RPM controller torque value ≤
calculated min. value.
P050A
Idle Air Control System Out of
Range
• Engine speed deviation > 100
RPM
• RPM controller torque value ≥
calculated max. value.
or
• Engine speed deviation < -100
RPM
• RPM controller torque value ≤
calculated min. value.
P050B
Cold Start Ignition Timing
Performance
Difference between commanded
spark timing vs. actual value
> 20%
P052A
Cold Start Camshaft Position
Timing Over-Advanced
Difference between actual and
target position > 10° CRK rev
56
Malfunction Criteria and
Threshold Value
VW Passat Quick Reference Specification Book
•
February 2014
Control Module and Output Signals
Error Message
Malfunction Criteria and
Threshold Value
P0606
• Internal hardware/voltage
check - failed
• Communication CPU - Sensor
IC - failed
• EEPROM Check failed
P0627
Fuel Pump Control Circuit
Open/Shorted to Ground
• Signal voltage 4.50 to 5.50 V
(open circuit)
• Signal voltage < 3.00 V
(grounded circuit)
P0629
Fuel Pump Control Circuit
High
Signal current 0.60 to 1.20 A
P0638
Throttle Actuator Control
Range/Performance Bank 1
• Time to close to reference
point > 0.6 Sec. and reference
point = 2.88%
or
• TPS 1 signal voltage, not 0.40
- 0.80 V
• TPS 2 signal voltage, not (4.20
- 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
P0697
Sensor Reference Voltage C
Circuit/Open
Signal voltage deviation
> ± 0.3 V
U0001
High Speed CAN
Communication Bus
CAN message = no feedback
U0002
High Speed CAN
Communication Bus
Global time out, no messages
received
U0101
Lost Communication with TCM Time out, no message received
U0121
Lost Communication With
Anti-Lock Brake System
(ABS) Control Module
No CAN messages received
U0146
Lost Communication With
Gateway “A”
No CAN messages received
U0155
Lost Communication With
Instrument Panel Cluster
(IPC) Control Module
No CAN messages received
U0302
Software Incompatibility with
Transmission Control Module
Manual transmission coded
ECM but automatic transmission
messages received from TCM
VW Passat Quick Reference Specification Book
•
February 2014
57
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
U0402
Invalid Data Received From
Transmission Control Module
Implausible data message
received
U0415
Invalid Data Received From
Body Control Module
• Sensor signal failure
• None, or implausible
information
• CAN 1 VSS signal incorrect
> 327.08 km/h
U0422
Invalid Data Received From
Body Control Module
Ambient temperature value
initialization = 00h
U0423
Invalid Data Received From
Instrument Panel Control
(IPC) Module
AAT sensor reading from cluster
to ECM implausible or no
message
U0447
Invalid Data Received From
Gateway Module
CAN message incorrect
Fuel and Air Ratios Control Module
DTC
Error Message
Malfunction Criteria and
Threshold Value
P117A
Fuel System Out of Range
P150A
Engine Off Timer Performance Comparison of engine off time
from Instrument Cluster control
unit with ECM engine after run
timer < -12 or > 12 Sec.
P1609
Crash Shut( Off was Deployed Airbags activated
P169A
Vehicle In Transport Mode
Transport mode active
P2101
Throttle Actuator A Control
Motor Circuit Range/
Performance
• Duty cycle >80%
• Deviation throttle value angles
vs calculated value 4 to 50%
• ECM driver = no fault
P2106
Throttle Actuator Control
System - Forced Limited
Power
Internal check failure
P2122
Accelerator Pedal Position
Sensor D Circuit Low Input
Signal voltage < 0.61 V
P2123
Accelerator Pedal Position
Sensor D Circuit High Input
Signal voltage > 4.79 V
P2127
Accelerator Pedal Position
Sensor E Circuit Low Input
Signal voltage < 0.27 V
P2128
Accelerator Pedal Position
Sensor E Circuit High Input
Signal voltage > 2.43 V
58
I - portion of 3rd lambda control
loop > 0.03
VW Passat Quick Reference Specification Book
•
February 2014
DTC
Error Message
Malfunction Criteria and
Threshold Value
Accelerator Pedal Position
Sensor D / E Voltage
Correlation
Signal voltage sensor 1 vs. 2
> 0.17 to 0.70 V
P2177
System Too Lean Off Idle
Adaptive value > 28%
P2178
System Too Rich Off Idle
Adaptive value < -20%
P2181
Cooling System Performance
ECT too low after sufficient
mass air flow interval < 70-73° C
P2184
Engine Coolant Temperature
Sensor 2 Circuit Low
ECT outlet > 140° C
P2185
Engine Coolant Temperature
Sensor 2 Circuit High
ECT outlet < -40° C
P2187
System Too Lean at Idle Bank
1
Adaptive value > 5.02%
P2188
System Too Rich at Idle Bank
1
Adaptive value < -5.02%
P2195
O2 Sensor Signal Biased/
Stuck Lean Bank 1,
Sensor 1
Delta lambda of 2nd lambda
control loop > 0.07
P2196
O2 Sensor Signal Biased/
Stuck Rich Bank 1, Sensor 1
Delta lambda of 2nd lambda
control loop < -0.07
P219C
Cylinder 1 Air-Fuel Ratio
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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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