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
Signal voltage < 0.25 V
P2088
A Camshaft Position Actuator
Control Circuit Low
Signal voltage 0 - 3.25 V
P2089
A Camshaft Position Actuator
Control Circuit High
Signal current > 2.2 A
P2096
Post Catalyst Fuel Trim
System Too Lean
Deviation lambda control
< -0.03
P2097
Post Catalyst Fuel Trim
System Too Rich
Integral part of lambda control
> 0.03%
P2101
Throttle Actuator Control
Motor Circuit Range/
Performance
• Duty cycle > 80%
• Deviation throttle value angles
vs. calculated value 4 - 50%
• ECM power stage no failure
P2106
Throttle Actuator Control
System - Forced Limited
Power
Internal check failed
P2122
APP Sensor 1/APP Sensor 2
Circuit D Low Input
Signal voltage < 0.61 V
P2123
APP Sensor 1/APP Sensor 2
Circuit D High Input
Signal voltage > 4.79 V
P2127
APP Sensor 1/APP Sensor 2
Circuit E Low Input
Signal voltage < 0.27 V
P2128
APP Sensor 1/APP Sensor 2
Circuit E High Input
Signal voltage > 2.43 V
P2138
APP Sensor 1/APP Sensor 2
Signal voltage: Difference
Circuit D/E Voltage Correlation between signal APP1 and APP2
> 0.17 - 0.70 V
P2146
Fuel Injector Group A Supply
Voltage Circuit Open
• Signal current, < 2.6 A
or
• Signal current > 14.90 A
P2149
Fuel Injector Group B Supply
Voltage Circuit Open
• Signal current, < 2.6 A
or
• Signal current > 14.90 A
P2177
System Too Lean Off Idle
Adaptive value > 28%
VW Passat Quick Reference Specification Book
•
February 2014
DTC Chart
Signal voltage > 4.75 V
15
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2178
System Too Rich Off Idle
Adaptive value < -21%
P2181
Cooling System Performance
Cooling system temperature too
low after a sufficient mass air
flow integral 74 - 84° C
P2184
Engine Coolant Temperature
Sensor 2 Circuit Low
ECT outlet > 141° C
P2185
Engine Coolant Temperature
Sensor 2 Circuit High
ECT outlet < -43° C
P2187
System Too Lean At Idle
Adaptive value > 5.02%
P2188
System Too Rich At Idle
Adaptive value < -5.02%
P2195
O2 Sensor Signal Biased/
Stuck Lean Bank 1 Sensor 1
Delta lambda of 2nd lambda
control loop > 0.08
P2196
O2 Sensor Signal Biased/
Stuck Rich Bank 1 Sensor 1
Delta lambda of 2nd lambda
control loop < -0.08
P2231
O2 Sensor Bank 1 Sensor
1 Signal Circuit Shorted to
Heater Circuit
Delta O2S signal front > 190 uA
P2237
O2 Sensor Positive Current
Control Circuit Open Bank 1
Sensor 1
• O2S signal front 1.49 - 1.51 V
• Delta lambda controller > 0.10
P2243
O2 Sensor Reference Voltage
Circuit Open Bank 1 Sensor 1
• O2S signal front > 3.25 V and
Internal resistance > 1000
Ohm
• O2S signal front < 0.30 V and
Internal resistance > 1000
Ohm
P2251
O2 Sensor Negative Current
Control Circuit Open Bank 1
Sensor 1
O2S signal front 1.47 to 1.53 V
and internal resistance > 1000
Ohm
P2257
Secondary Air Injection
System Control Circuit Low
Signal voltage 0 to 3.26 V
P2258
Secondary Air Injection
System Control Circuit High
Signal current .60 - 2.40 A
P2270
O2 Sensor Signal Stuck Lean
Bank 1 Sensor 2
• Sensor voltage of ≤ 0.75 V
• O2S signal rear < -2.00 mV
• Enrichment after stuck lean
27.9%
P2271
O2 Sensor Signal Stuck Rich
Bank 1 Sensor 2
• Sensor voltage of ≥ 0.15 V
• After oxygen mass flow
> 3000 mg
• Number of checks ≥ 1
16
VW Passat Quick Reference Specification Book
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February 2014
Error Message
Malfunction Criteria and
Threshold Value
P2274
O2 Sensor Signal Stuck Lean
Bank 1 Sensor 3
• Sensor voltage of ≤ 0.70 V
• O2S rear signal not oscillating
at reference < 0.62 to 0.65 V
• Enrichment after stuck lean
27.9%
P2275
O2 Sensor Signal Stuck Rich
Bank 1 Sensor 3
• O2S sensor voltage ≥ 0.15 V
• After oxygen mass flow (fuel
cutoff) > 4500 mg
• Number of checks ≥ 1
P2279
Intake Air System Leak
Threshold to detect a defective
system > 1.33 - 1.60
P2293
Fuel Pressure Regulator 2
Performance
• Difference between target
pressure vs actual pressure:
> 1.50 MPa
or
• < -1.50 MPa
P2294
Fuel Pressure Regulator 2
Control Circuit
• Signal voltage 1.40 - 3.20 V
or
• Signal pattern incorrect
P2295
Fuel Pressure Regulator 2
Control Circuit Low
Signal voltage 1.40 - 3.20 V
P2296
Fuel Pressure Regulator 2
Control Circuit High
Signal voltage > 3.20 V
Ignition System
DTC
Error Message
Malfunction Criteria and
Threshold Value
P2300
Ignition Coil A Primary Control
Circuit Low
Signal current > 24.0 mA
P2301
Ignition Coil A Primary Control
Circuit High
Signal current > 5.1 - 7.0 V
P2303
Ignition Coil B Primary Control
Circuit Low
Signal current > 24.0 mA
P2304
Ignition Coil B Primary Control
Circuit High
Signal current > 5.1 - 7.0 V
P2306
Ignition Coil C Primary Control
Circuit Low
Signal current > 24.0 mA
P2307
Ignition Coil C Primary Control
Circuit High
Signal voltage > 5.1 - 7.0 V
P2309
Ignition Coil D Primary Control
Circuit Low
Signal current > 24.0 mA
VW Passat Quick Reference Specification Book
•
February 2014
17
DTC Chart
DTC
DTC
Error Message
P2310
Ignition Coil D Primary Control
Circuit High
Malfunction Criteria and
Threshold Value
Signal voltage > 5.1 - 7.0 V
Additional Emissions Regulations
DTC
Error Message
P240A
Evaporative Emission System
Leak Detection Pump Heater
Control Circuit/Open
Signal voltage > 4.70 - 5.40 V
P240B
Evaporative Emission System
Leak Detection Pump Heater
Control Circuit Low
Signal voltage < 2.74 - 3.26 V
P240C
Evaporative Emission System
Leak Detection Pump Heater
Control Circuit High
Signal current > 2.2 - 4.0
P2400
Evaporative Emission System
Leak Detection Pump Control
Circuit Open
Signal voltage > 4.4 - 5.6
P2401
Evaporative Emission System
Leak Detection Pump Control
Circuit Low
Signal voltage > 2.15 - 3.25 V
P2402
Evaporative Emission System
Leak Detection Pump Control
Circuit High
Signal current > 3 A
P2403
Evaporative Emission System
Leak Detection Pump Sense
Circuit Open
Low signal voltage > 0.5 Sec.
P2404
Evaporative Emission System
Leak Detection Pump Sense
Range/Performance
• High signal voltage > 12 Sec.
• Number of checks = 30
P2407
Evaporative Emission System
Leak Detection Pump Sense
Circuit Intermittent/Erratic
• Fluctuation of EVAP pump
current during reference
measurement engine off >
2mA
• Or drop of EVAP pump current
during pump phase of 3 sec
> 6mA
P2414
O2 Sensor Exhaust Sample
Error Bank 1, Sensor 1
Threshold 1
• Signal voltage 3.1 - 4.81 V
Threshold 1
• O2S signal 2.5 - 3.2 V
18
Malfunction Criteria and
Threshold Value
VW Passat Quick Reference Specification Book
•
February 2014
Error Message
Malfunction Criteria and
Threshold Value
P2431
Secondary Air Injection
Sensor Performance
Difference between SAI
pressure sensor and ambient
pressure NOT -60.0 to 60.0 hPa
P2432
Secondary Air Injection
Sensor Circuit Low
Signal voltage < 0.40 V
P2433
Secondary Air Injection
Sensor Circuit High
Signal voltage > 4.65 V
P2440
Secondary Air Injection
System Switching Valve Stuck
Open
SAI pressure sensor vs
modeled while SAI valve is
closed < 71.1%
P2450
Evaporative Emission System
Switching Valve Performance/
Stuck Open
• Engine off EVAP pump current
difference between reference
measurement to idle < 3mA
• Engine on EVAP pump current
difference between reference
measurement to idle >3mA
P2626
O2 Sensor Pumping Current
Trim Circuit/Open Bank 1
Sensor 1
O2S signal front > 4.81 V
VW Passat Quick Reference Specification Book
•
February 2014
19
DTC Chart
DTC
DTC Chart
Engine Code CKRA
Fuel and Air Mixture,
Additional Emissions Regulations
DTC
- 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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