Signal voltage > 2.2 V

P0190

Fuel Rail Pressure Sensor "A"
Circuit

Signal voltage > 4.9 V

P0191

Fuel Rail Pressure Sensor "A"
Circuit Range/Performance

Actual pressure > 21.30 mPa

P0192

Fuel Rail Pressure Sensor "A"
Circuit Low

Signal voltage < 0.20 V

P0201

Injector Circuit/Open Cylinder 1

• Signal current < 2.10 A
• Internal logic failure

P0202

Injector Circuit/Open Cylinder 2

• Signal current < 2.10 A
• Internal logic failure

P0203

Injector Circuit/Open Cylinder 3

• Signal current < 2.10 A
• Internal logic failure

P0204

Injector Circuit/Open Cylinder 4

• Signal current < 2.10 A
• Internal logic failure

P0234

Turbocharger/Supercharger
"A" Overboost Condition

Difference of set value boost
pressure vs. actual boost
pressure value > 20.00 128.00 kPa

Audi A6/S6 Quick Reference Specification Book

•

September 2013

DTC Chart

P0177

243

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0236

Turbocharger/Supercharger
Boost Sensor "A" Circuit
Range/Performance

• Difference boost pressure
signal vs. barometric sensor
signal > 24.20 kPa
or
• Difference boost pressure
signal vs. barometric sensor
signal 4.88 V

P0245

Turbocharger/Supercharger
Wastegate Solenoid "A" Low

Signal voltage < 3.25 - 2.15 V

P0246

Turbocharger/Supercharger
Wastegate Solenoid "A" High

Signal current > 2.20 - 4.0 A

P0261

Cylinder 1 Injector Circuit Low

Signal current < 2.1 A

P0262

Cylinder 1 Injector Circuit High Signal current > 14.70 A

P0264

Cylinder 2 Injector Circuit Low

P0265

Cylinder 2 Injector Circuit High Signal current > 14.70 A

P0267

Cylinder 3 Injector Circuit Low

P0268

Cylinder 3 Injector Circuit High Signal current > 14.70 A

P0270

Cylinder 4 Injector Circuit Low

P0271

Cylinder 4 Injector Circuit High Signal current > 14.70 A

P0299

Turbocharger/Supercharger
"A" Underboost Condition

Difference set value boost
pressure vs. actual boost
pressure value (filtered) > 15.00
kPa

P2008

Intake Manifold Runner
Control Circuit/Open Bank 1

Signal voltage 4.70 - 5.40 V

P2009

Intake Manifold Runner
Control Circuit Low Bank 1

Signal voltage 0.0 - 3.26 V

P2010

Intake Manifold Runner
Control Circuit High Bank 1

Signal current > 2.20 A

P2014

Intake Manifold Runner
Position Sensor/Switch Circuit
(Bank 1)

Signal voltage > 4.75 V

244

Signal current < 2.1 A
Signal current < 2.1 A
Signal current < 2.1 A

Audi A6/S6 Quick Reference Specification Book

•

September 2013

Error Message

Malfunction Criteria and
Threshold Value

P2015

Intake Manifold Runner
Position Sensor/Switch Circuit
Range/Performance (Bank 1)

• Difference between target
position vs. actual position
˃ 25.00%
and
• Actual position < 0 - 100%

P2016

Intake Manifold Runner
Position Sensor/Switch Circuit
Low (Bank 1)

Signal voltage < 0.25 V

P2024

Evaporative Emissions
(EVAP) Fuel Vapor
Temperature Sensor Circuit

Signla voltage 4.70-5.40 V

P2025

Evaporative Emissions
(EVAP) Fuel Vapor
Temperature Sensor
Performance

Out of range high:
• Smart module temperature
> 119° C
Out of range low:
• Smart module temperature
< -39° C
Cross check:
• Difference between smart
temperature and ECT ≥ 25.5 K
and
• Difference between smart
temperature and IAT@
manifold ≥ 25.5 K
• Signal dynamic check gradient
smart temperature > 20
[K/10min]
• Gradient smart temperature >
20 [K/10min]
Communication:
• Response time > 1000 [ms]
• Number of checks > 3.00 [-]
• Security bit incorrect
• Number of checks > 3.00 [-]
• ReferFunctional check:
• Resetcounter > 3.0 [-]
• Time difference between ECU
and smart module > 3.0 [s]

P2026

Evaporative Emissions
(EVAP) Fuel Vapor
Temperature Sensor Circuit
Low Voltage

Signal voltage 0 - 3.25 V

Audi A6/S6 Quick Reference Specification Book

•

September 2013

245

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P2027

Evaporative Emissions
(EVAP) Fuel Vapor
Temperature Sensor Circuit
High Voltage

Signal current > 2.20 A

P2067

Fuel Level Sensor "B" Circuit
Low

• Instument cluster module
signal: short to ground failure
• Instument cluster module
signal: signal range check
failure

P2068

Fuel Level Sensor "B" Circuit
High

Instument cluster module signal:
short to battery / open circuit
failure

P2088

"A" Camshaft Position
Actuator Control Circuit Low
Bank 1

Signal voltage 0.0 - 3.25 V

P2089

"A" Camshaft Position
Actuator Control Circuit High
Bank 1

Signal current > 2.20 A

P2096

Post Catalyst Fuel Trim
System Too Lean

I-portion of 2nd lambda control
loop < -0.045 [-]

P2097

Post-Catalyst Fuel Trim
System Too Rich

I-portion of 2nd lambda control
loop > 0.045 [-]

P303F

Cold Start Injection Short
Circuit to Ground

Signal voltage < 3.0 V

P3081

Engine Temperature Too Low

Difference reference model
temperature vs. ECT > 9.8 K

Ignition System
DTC

Error Message

Malfunction Criteria and
Threshold Value

P0300

Random/Multiple Cylinder
Misfire Detected

• Emission threshold misfire rate
(MR) > 1.50%
• Catalyst damage misfire rate
(MR) > 5.00 - 20.0%

P0301

Cylinder 1 Misfire Detected

• Emission threshold misfire rate
(MR) > 1.50%
• Catalyst damage misfire rate
(MR) > 5.00 - 20.0%

P0302

Cylinder 2 Misfire Detected

• Emission threshold misfire rate
(MR) > 1.50%
• Catalyst damage misfire rate
(MR) > 5.00 - 20.0%

246

Audi A6/S6 Quick Reference Specification Book

•

September 2013

Error Message

Malfunction Criteria and
Threshold Value

P0303

Cylinder 3 Misfire Detected

• Emission threshold misfire rate
(MR) > 1.50%
• Catalyst damage misfire rate
(MR) > 5.00 - 20.0%

P0304

Cylinder 4 Misfire Detected

• Emission threshold misfire rate
(MR) > 1.50%
• Catalyst damage misfire rate
(MR) > 5.00 - 20.0%

P0321

Ignition/Distributor Engine
Speed Input Circuit Range/
Performance

• Counted teeth vs. reference,
incorrect
or
• Monitoring reference gap
failure

P0322

Ignition/Distributor Engine
Speed Input Circuit No Signal

• Camshaft signal > 3 [-]
• Engine speed no signal

P0324

Knock Control System Error

• Signal fault counter
(combustion) > 24.00 [-]
or
• Signal fault counter
(measuring window) > 2.00 [-]

P0327

Knock Sensor 1 Circuit Low
Input Bank 1 or Single Sensor

Short to ground Port B
• Lower threshold < -70 V
Short to ground Port A
• Lower threshold < -70 V
Signal range check
• Lower threshold < 0.58 1.60 V

P0328

Knock Sensor 1 Circuit High
Bank 1 or Single Sensor

Short to ground Port B
• Upper threshold > 1.00 V
Short to ground Port A
• Upper threshold > 1.00 V
Signal range check
• Upper threshold > 18.00 150.00 V

P0340

Camshaft Position Sensor
A Circuit (Bank 1 or Single
Sensor)

Cam adaption values out of
range
• > 20° KW
• < -20° KW
• Difference of adapted and
actual values > 9° KW

P0341

Camshaft Position Sensor "A"
Circuit Range/Performance
Bank 1 or Single Sensor

• Signal pattern incorrect
• Defect counter 12.00 [-]

Audi A6/S6 Quick Reference Specification Book

•

September 2013

247

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0342

Camshaft Position Sensor "A"
Circuit Low Bank 1 or Single
Sensor

• Signal voltage permanently low
and
• Crankshaft signals 8

P0343

Camshaft Position Sensor "A"
Circuit High Bank 1 or Single
Sensor

• Signal voltage permanently
high
and
• Crankshaft signals 8

P0351

Ignition Coil A Primary/
Secondary Circuit

• Signal current 0.25 to
-2.0 mA
• Internal check failed

P0352

Ignition Coil B Primary/
Secondary Circuit

• Signal current 0.25 to
-2.0 mA
• Internal check failed

P0353

Ignition Coil C Primary/
Secondary Circuit

• Signal current 0.25 to
-2.0 mA
• Internal check failed

P0354

Ignition Coil D Primary/
Secondary Circuit

• Signal current 0.25 to
-2.0 mA
• Internal check failed

Additional Exhaust Regulation
DTC

Error Message

Malfunction Criteria and