• Difference between engine-offtime < -12.0 Sec.
and
• ECM keep alive time
> 12.0 Sec.

P169A

Loading Mode Active

Transport mode active

P2101

Throttle Actuator A Control
Motor Circuit Range/
Performance

• Duty cycle > 0.4 s at > 98%
and
• Actual TPS - ref. point > 1.5°
or
• Actual TPS - calc. value
> 0.4 s at > 8°

P2106

Throttle Actuator Control
System - short to Battery
voltage or ground

ECM power stage failure

P2122

Throttle/Pedal Position Sensor Signal voltage < 0.4 V
Circuit Low Input

P2123

Throttle/Accelerator Pedal
Position Sensor 1 Circuit High
Input

Audi A7 Reference Specification Book

•

DTC Chart

P13EA Cold Start Ignition Timing
Performance Off Idle

Signal voltage > 4.82 V

September 2013

205

DTC

Error Message

P2127

Throttle/Accelerator Pedal
Position Sensor 2 Circuit Low
Input

Signal voltage < 0.2 V

P2128

Throttle/Accelerator Pedal
Position Sensor 2 Circuit High
Input

Signal voltage > 2.8 V

P2138

Throttle/Accelerator Pedal
Signal voltage: Difference
Position Sensor 1/2 Rationality between signal sensor 1 and 2
Check
> 0.24 V

P2147

Injector Circuit short to ground

Signal current > 12 A

P2148

Injector Circuit short to Battery
voltage

Signal current > 33 A

P2150

Injector Circuit Short to
Ground

Signal current > 12 A

P2151

Injector Circuit Short to Battery Signal current > 33 A
Voltage

P2153

Injector Circuit short to Battery
Voltage

Signal current > 12 A

P2154

Injector Circuit short to Battery
Voltage

Signal current > 33 A

P2181

Cooling System Performance

Engine coolant temperature
< 75 °C

P2195

O2 Sensor rationality check
high (Bank 1)

Lambda value > 1.1

P2196

O2 Sensor Signal Biased/
Stuck Rich (Bank 1)

Lambda value < 0.9

P2197

O2 Sensor rationality check
high (Bank 2)

Lambda value > 0.96

P2198

O2 Sensor rationality check
Low (Bank 2)

Lambda value < 1.04

P219C

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

P219D

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

P219E

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

206

Malfunction Criteria and
Threshold Value

Audi A7 Reference Specification Book

•

September 2013

DTC

Error Message

Malfunction Criteria and
Threshold Value

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

P21A0

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

P21A1

Cylinder Imbalance

• Adaptive value < -10%
or
• > 10%

P2227

Barometric Pressure Circuit
Range/Performance

Pressure difference in cross
check between boost pressure
sensor 1/2; inlet charger
pressure and ambient pressure
sensor > 7 kPa

P2237

O2 Sensor Positive Current
Control Circuit/Open (Bank 1,
Sensor 1)

Signal activity check failed

P2240

O2 Sensor Positive Current
Control Circuit / Open (Bank
2, Sensor 1)

Signal activity check failed

P2243

O2 Sensor Reference Voltage Functional check failed
Circuit / Open (Bank 1, Sensor
1)

P2247

O2 Sensor Nernst Voltage
Open (Bank 2, Sensor 1)

Intrusive check failed

P2251

O2 Sensor Signal open circuit
(Bank 1, Sensor 1)

• Functional check heater failed
and
• Signal activity check failed

P2254

O2 Sensor Signal Open
Circuit (Bank 2, Sensor 1)

• Functional check heater failed
and
• Signal activity check failed

P2257

Air Pump Relay Short to
Ground

Signal voltage < 2.00 V

P2258

Air Pump Relay Short to B+

Signal current > 3 A

P2270

O2 Circuit Slow Response
(Bank 1, Sensor 2) SULEV

Signal voltage < 0.800 V and
number of checks ≥ 3

P2271

O2 Circuit (Bank 1, Sensor 2)
SULEV

Signal voltage > 0.2 V and
number of checks ≥ 3

P2272

O2 Sensor Signal Stuck Lean
(Bank 2 Sensor 2)

Signal voltage < 0.800 V and
number of checks ≥ 3

P2273

O2 Sensor Signal Stuck Rich
(Bank 2 Sensor 2)

Signal voltage > 0.2 V and
number of checks ≥ 3

Audi A7 Reference Specification Book

•

September 2013

DTC Chart

P219F

207

Additional Emissions Regulations
DTC

Error Message

P2400

Evaporative Emission System
Leak Detection Pump Control
Circuit/Open

Signal current < 0.8 mA

P2401

Evaporative Emission System
Leak Detection Pump Control
Circuit Low

Signal voltage < 2 V

P2402

Evaporative Emission System
Leak Detection Pump Control
Circuit High

Signal current = 1 A

P2403

Evaporative Emission System
Leak Detection Pump Sense
Circuit/Open

Low signal voltage > 1 Sec.

P2404

Evaporative Emission System
Leak Detection Pump Sense
Circuit Range/Performance

• Switch closed for > 0.36 Sec.
• Number of checks 26.

P2414

O2 Sensor Signal Range
Check (Bank 1, Sensor 1)

O2S signal front > 3.1 V

P2415

O2 Sensor Signal Range
Check (Bank 2, Sensor 1)

O2S signal front > 3.1 V

P2440

Secondary Air System Valve
(Bank 1) Stuck Open

Deviation of lambda controller
> 15.00%

P2442

Secondary Air System Valve
(Bank 2) Stuck Open

Deviation of lambda controller
> 15.00%

P2539

Low Pressure Fuel System
Sensor Circuit Short to B +

Signal voltage > 4.8 V

P2541

Low Pressure Fuel System
Sensor Circuit Low

Signal voltage < 0.2 V

P2626

O2 Sensor Pumping Current
Trim Circuit/Open (Bank 1
Sensor 1)

O2S signal front > 4.7 V

P2629

O2 Sensor Pumping Current
Trim Circuit/Open (Bank 2,
Sensor 1)

O2S signal front > 4.7 V

208

Malfunction Criteria and
Threshold Value

Audi A7 Reference Specification Book

•

September 2013

DTC Chart
Engine Code CEUC
Fuel and Air Mixture, Additional
Emissions Regulations
Error Message

Malfunction Criteria and
Threshold Value

P000A

Intake Camshaft Position Slow • Difference between target
Response (Bank 1)
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle ≥ 3.00 °CRK

P000B

Exhaust Camshaft Position
Slow Response, (Bank 1)

P000C

Intake Camshaft Position Slow • Difference between target
Response (Bank 2)
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle ≥ 3.00 °CRK

P000D

Exhaust Camshaft Position
Slow Response, (Bank 2)

• Difference between target
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle ≥ 3.00 °CRK

P0010

Intake (A) Camshaft Position
Actuator Circuit/Open
(Bank 1)

Signal voltage 4.70 - 5.40 V

P0011

Intake (A) Camshaft Position
Target Error (Bank 1)

• Difference between target
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle < 3.00 °CRK

P0013

Exhaust (A) Camshaft
Position Response Check
(Bank 1 Bank 2)

Signal voltage 4.70 - 5.40 V

Audi A7 Reference Specification Book

• Difference between target
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle ≥ 3.00 °CRK

•

September 2013

209

DTC Chart

DTC

DTC

Error Message

Malfunction Criteria and
Threshold Value

P0014

Exhaust (A) Camshaft Position • Difference between target
Target Error (Bank 1)
position vs. actual position
> 8.00 - 63.75 °CRK for time
> 1.5 - 3.0 s
and
• Adjustment angle < 3.00 °CRK

P0016

Crankshaft Position Camshaft Position Correlation
(Bank 1, Sensor 2)

• Permissible deviation
< -11.01° CRK
and
• Engine speed no signal

P0017

Crankshaft Position Camshaft Position Correlation
Exhaust (Bank 1 Bank 2)

• Permissible deviation
< -11.01° CRK
or
• Permissible deviation
> 11.01° CRK

P0018

Crankshaft Position Camshaft Position Correlation
Intake (Bank 1 Bank 2)

• Permissible deviation
< -11.01° CRK
and
• Engine speed no signal

P0019