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
P202C
Reducing Agent Tank Heater
Circuit Open or Short to
Battery Voltage
Max. power at engagement >
0.85 S
P2031
Exhaust Gas Temperature
Sensor 3 Circuit Open or
Short to Battery Voltage
Sensor 2 voltage > 1.72 V
P2032
Exhaust Gas Temperature
Sensor 3 Circuit Short to
Ground
Sensor 2 voltage < 0.45 V
P203A
Reducing Agent Reservoir
Level Sensor Circuit Range
Check
• Level signal < 25% PWM or
> 85% PWM
• Interval between Monitoring
pulses < 80 Sec
P203B
Reducing Agent Reservoir
Level Sensor Circuit
Rationality Check
• PWM signal < 34%
Monitoring of Electrical Status
• PWM signal = 34 - 44%
P2047
Reducing Agent Injection
Valve Circuit Open
Signal Voltage > 2.99 V
P2048
Reducing Agent Injection
Valve Circuit Short to Ground
• Signal Voltage < 2.04 V
• Signal Current > 1600 mA
P2049
Reducing Agent Injection
Valve Circuit Short to Battery
Voltage
• Signal Voltage > 0.25 V
• Signal Current < 200 mA
P204A
Reducing Agent Metering
Pressure Sensor Circuit
Short to Ground
Signal voltage < 0.38 V
40
VW Passat Quick Reference Specification Book
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February 2014
Error Message
Malfunction Criteria and
Threshold Value
P204B
Reducing Agent Metering
Pressure Sensor Circuit
Range/Performance
Sensor Pressure >500 hPa
P204D
Reducing Agent Metering
Pressure Sensor Circuit
Short to Battery voltage
Signal voltage > 4.72 V
P204F
Reducing Agent System
Performance
Adaptation value (ratio) over
threshold > 2 [-]
P205A
Reducing Agent Tank
Temperature Sensor Circuit
Open or Short to Battery
Voltage
Signal voltage > 3.12 V
P205B
Reducing Agent Tank
Temperature Sensor Circuit
Range / Performance
Absolute value of temperature
difference to ECT > 30 K and/or
< -52 Kelvin
P205C
Reducing Agent Tank
Temperature Sensor Circuit
Short to Ground
Signal voltage < 0.16 V
P2080
Exhaust Gas Temperature
Sensor 1 Circuit Plausibility
Check
• Sensor temperature < 85° C
• Temperature difference to
other temperature sensors
during cold start > 40 K
P2084
Exhaust Gas Temperature
Sensor 2 Circuit
Plausibility Check
• Sensor temperature < 85° C
• Temperature difference to
other temperature sensors
during cold start > 40 K
P208A
Reducing Agent Pump Control
Circuit Open
Signal voltage > 2.99 V
P208B
Reducing Agent Pump Control
Circuit Monitoring Engine
Speed
Engine speed > 300 RPM
P208C
Reducing Agent Pump Control
Circuit Short to Ground
Signal voltage < 2.04 V
P208D
Reducing Agent Pump Control
Circuit Short to Battery
Voltage
Signal Current > 6.0 A
VW Passat Quick Reference Specification Book
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February 2014
41
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P208E
Reductant Injection Valve
Stuck Closed
• Number of consecutive failed
attempts to open valve > 40 [-]
• Number of consecutive
successful attempts to open
valve < 10 [-] (during initial
test activation of the valve
before the urea pressure has
been built up)
P20A0
Reducing Agent Reversing
Valve Circuit Open
Diagnostic signal from power
stage > 2.99 V
P20A2
Reducing Agent Purge Control Diagnostic signal from power
Valve Circuit Short to Ground
stage < 2.04 V
P20A3
Reducing Agent Purge Control Diagnostic signal from power
Valve Circuit Short to Battery
stage > 2.2 A
Voltage
P20A5
Reducing Agent Purge Control Pressure drop after switching
Valve Stuck Closed
valve < 3000 hPa
P20B5
Reducing Agent Pump Heater
Control Circuit Open
Current during heating < 2 A
P20B7
Reducing Agent Metering Unit
Heater Control Circuit Low
Max. power at engagement
0.89 Sec.
P20B9
Reducing Agent Tank Heater
Circuit Open
Signal Voltage > 4.5 V
P20BB
Reducing Agent Tank Heater
Circuit Short to Ground
Signal Voltage < 2.97 V
P20BC
Reducing Agent Tank Heater
Circuit Out of Range High
Signal Current > 2.2 A
P20BD
Reducing Agent Line Heater
Circuit Open
Signal Voltage > 4.5 V
P20BF
Reducing Agent Line Heater
Circuit Short to Ground
Signal Voltage < 2.97 V
P20C0
Reducing Agent Line Heater
Circuit Out of Range High
Signal current > 2.2 A
P20E8
Reducing Agent Metering
Pressure Sensor Too Low
Urea system pressure
< 3750 hPa
P20E9
Reducing Agent Metering
Pressure Sensor Too High
Urea system pressure > 6500
hPa
42
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February 2014
DTC
Error Message
Malfunction Criteria and
Threshold Value
CR NOx Catalyst Conversion
Efficiency
Difference between simulated
efficiency of a non defective
system under the current
operating conditions and the
measured actual efficiency
> 40%
P2100
Throttle Actuator Control
Motor Circuit Open
Signal Voltage < 4.7 V
P2101
Throttle Valve Actuator
Control Motor Circuit Internal
Electrical Error
Signal Current > 3.0 A
P2102
Throttle Valve Actuator Control Signal Voltage < 2.97 V
Motor Circuit Short to Ground
P2103
Throttle Valve Actuator Control Signal Current > 3.0 A
Motor Circuit Short to Battery
Voltage
P2111
Throttle Valve Actuator Control Valve stuck open > 12%
Motor Circuit Stuck Open
P2112
Throttle Valve Actuator Control Valve stuck open < 12 %
Motor Circuit Stuck Closed
P2122
Accelerator Pedal Position
Sensor Circuit Short to
Ground
Signal voltage < 0.61 V
P2123
Accelerator Pedal Position
Sensor Circuit Open or Short
to Battery Voltage
Sensor 1 voltage > 4.79 V
P2127
Accelerator Pedal Position
Sensor 2 Circuit Short to
Ground
Signal voltage > 0.27 V
P2128
Accelerator Pedal Position
Sensor 2 Circuit Open or
Short to Battery Voltage
Signal voltage > 2.43 V
P2138
Accelerator Position Sensor
1 and 2 Circuit Rationality
Check
Difference between app sensor
1 voltage and app sensor 2
voltage) V (tolerance 13% 20%)
P2146
Fuel Injector Group “A” Supply Diagnostic signal in power
Voltage Circuit Shorted
stage = Failed
Internally
P2149
Fuel Injector Group “B” Supply Diagnostic signal in power
Voltage Circuit Shorted
stage = Failed
Internally
VW Passat Quick Reference Specification Book
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February 2014
DTC Chart
P20EE
43
DTC
P2183
Error Message
Malfunction Criteria and
Threshold Value
Engine Coolant Temperature
Sensor On Radiator Circuit
Range / Performance
• Temperature difference to
at least 3 other temperature
sensors at startup > 30° K
Cross Check of Temperature
Sensors (engine part) at Cold
Start Conditions
• Temperature difference to
at least 3 other temperature
sensors during cold start
> 20 K
P2184
Engine Coolant Temperature
Sensor On Radiator Outlet
Circuit Short to Ground
Signal Voltage < 0.15 V
P2185
Engine Coolant Temperature
Sensor On Radiator Outlet
Circuit Open or Short to
Battery Voltage
Signal Voltage > 3.25 V
P2195
HO2 Sensor Signal Plausibility Deviation to oxygen
Check Stuck Lean
concentration (while fuel cutoff)
> 4,6 % vol/vol
P2196
HO2 Sensor Signal Plausibility Deviation to oxygen
Check Stuck Rich
concentration (while fuel cutoff)
< -6,3 % vol/vol
P2200
NOx Sensor Circuit Internal
Continuity Checking /
Monitoring
NOx sensor signal ratio of
validity ≥ 0.50 [-]
P2201
NOx Sensor Circuit Range /
Performance
• Average NOx offset during fuel
cutoff < -30 ppm or > 50 ppm
Monitoring of NOx Sensor
Circuit Undershoot During
Fuel Cut Off
• NOx signal < -40 ppm
P2202
NOx Sensor Circuit Range
Check Low
NOx sensor reading < -105
ppm
P2203
NOx Sensor Bank 1 Sensor 1
Circuit High
NOx sensor reading > 1655
ppm
P2209
NOx Sensor Heater Circuit
Range / Performance
NOx control not active for
> 180 s
P220A
NOx Sensor Circuit Supply
Voltage Error
Difference between battery and
sensor supply voltage > 1.5 V
and/or < -16V
P2237
HO2 Sensor Control Circuit
Dynamic Check pump current
(IP)
Pump current (IP) < 0.005 [-]
44
VW Passat Quick Reference Specification Book
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February 2014
DTC
Error Message
Malfunction Criteria and
Threshold Value
HO2 Sensor Control Circuit
Dynamic Check Nernst
Voltage (UN)
- 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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