NHTSA ID Number: 10214963
Manufacturer Communication Number: Audi
A7 Referenc
TSB/Document Date: 2022-07-05
Summary
Audi Quick Reference Specification Guide.
measured with AIR pressure
sensor vs. modeled < 0.45 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with
AIR pressure sensor vs.
modeled while valve bank 2
commanded closed < 0.70[-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled while
valve bank 2 commanded
closed < 0.70 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Average pressure difference
between absolute value and
filtered value while valve bank
2 commanded closed < 0.14 1.22 kPa
and
• Relative AIR pressure
measured ≤ 3.00 kPa
232
Malfunction Criteria and
Threshold Value
Audi A7 Reference Specification Book
•
September 2013
P0492
Error Message
Malfunction Criteria and
Threshold Value
Secondary Air System
Insufficient Flow (Bank 2)
Audi A7 Reference Specification Book
• Blockage: relative AIR
pressure measured with AIR
pressure sensor vs. modeled
< 0.10 [-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled < 0.10 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with AIR
pressure sensor vs. modeled
< 0.45 [-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled < 0.45 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Blockage: relative AIR
pressure measured with
AIR pressure sensor vs.
modeled while valve bank 2
commanded closed < 0.70[-]
• Leakage: relative AIR pressure
measured with AIR pressure
sensor vs. modeled while
valve bank 2 commanded
closed < 0.70 [-]
and
• Relative AIR pressure
measured ≤ 3.00 kPa
or
• Average pressure difference
between absolute value and
filtered value while valve bank
2 commanded closed < 0.14 1.22 kPa
and
• Relative AIR pressure
measured ≤ 3.00 kPa
•
September 2013
233
DTC Chart
DTC
Speed and Idle Control
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0501
Vehicle Speed Sensor A
Range/Performance
Speed sensor signal: plausibility
error failure
P0502
Vehicle Speed Sensor A
Electrical check
Speed sensor signal: electrical
error failure
P0503
Vehicle Speed Sensor A Out
of Range/High
Vehicle speed > 200 km/h
P0506
Idle Air Control System - RPM
Lower Than Expected
• Engine speed deviation < -80
RPM
and
• RPM controller torque value ≥
calculated max value
P0507
Idle Air Control System - RPM
Higher Than Expected
• Engine speed deviation
> -80 RPM
and
• RPM controller torque value ≤
calculated max. value
P0597
Map Controlled Engine
Cooling Thermostat Sensor,
Open Circuit
Signal voltage 4.70 - 5.40 V
P0598
Map Controlled Engine
Cooling Thermostat Sensor,
Short to Ground
Signal voltage 0.0 - 3.25 V
P0599
Map Controlled Engine
Cooling Thermostat Sensor,
Short to Battery Voltage
Signal current > 2.20 A
P050A
Idle Air Control System
RPM Higher or Lower Than
Expected
RPM lower:
• Engine speed deviation > 200
RPM
and
• RPM controller torque value ≥
calculated max. value
RPM Higher:
• Engine speed deviation < -200
RPM
and
• RPM controller torque value ≤
calculated min. value
P050B
Ignition Timing Monitor
Difference between commanded
spark timing vs. actual value>
18.00%
234
Audi A7 Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
P052A
Cold Start Monitoring VVT
intake (Bank 1 Bank 2)
Difference between target
position and actual position
> 8°CA
P052C
Cold Start Monitoring VVT
intake (Bank 1 Bank 2)
Difference between target
position and actual position
> 8°CA
P053F
Rail Pressure Control Valve
• Target pressure-actual
pressure >1.30 MPa
• Difference between target
pressure vs. actual pressure <
-3.00 mPa
P054A
Cold Start Monitoring VVT
exhaust (Bank 1 Bank 2)
Difference between target
position vs. actual position
> 8°CA
P054C
Cold Start Monitoring VVT
exhaust (Bank 1 Bank 2)
Difference between target
position vs. actual position
> 8°CA
Control Module and Output Signals
Error Message
Malfunction Criteria and
Threshold Value
P0601
Internal Control Module
Memory Check Sum Error
Internal check sum, incorrect
P0603
Internal Hardware Check
SPI communication lost
P0604
Internal Control Module
Random Access Memory
(RAM) Error
Write ability check, failed
P0605
Internal Control Module Read
Only Memory (ROM) Error
Checksum incorrect
P0606
ECM Interal fault
• Drive by wire module check
check failed
• EEPROM-check check failed
P0627
Fuel Pump A Control Circuit/
Open
• Internal error fuel pump control
unit
• Feedback from fuel pump
control unit pump blocked
short circuit to battery +,
ground or open circuit
P0634
Map Controlled Engine
Cooling Thermostat Sensor,
Signal Range Check
Signal range check over
temperature > 150° C
Audi A7 Reference Specification Book
•
September 2013
235
DTC Chart
DTC
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0638
Throttle Actuator Control
Range/Performance (Bank 1)
• Time to open over reference
point > 0.6 Sec
and
• Reference point -1.5%
• Time to close below reference
point > 0.3 Sec
and
• Reference point 1.0%
P0641
Sensor Reference Voltage A
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0642
Sensor Reference Voltage A
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0643
Sensor Reference Voltage A
Circuit High
5 V supply voltage: > supply
voltage > 4.998 - 5.406 V
P0651
Sensor Reference Voltage B
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0652
Sensor Reference Voltage B
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0653
Sensor Reference Voltage B
Circuit High
> 5 V supply voltage: supply
voltage > 4.998 - 5.406 V
P0657
Actuator Supply Voltage A
Circuit/Open
Signal voltage > 4.4 - 5.6 V
P0658
Actuator Supply Voltage A
Circuit Low
Signal voltage < 2.15 - 3.25 V
P0659
Actuator Supply Voltage A
Circuit High
Signal current > 1.1 A
P0685
ECM/PCM Power Relay
Control Circuit/Open
• Signal voltage 2.6 - 3.7 V
• Sense circuit voltage > 6 V
P0686
ECM/PCM Power Relay
Control Circuit Low
• Signal voltage 2.6 - 3.7 V
• Sense circuit voltage > 6 V
P0687
ECM/PCM Power Relay
Control Circuit High
• Signal current > 0.7 - 1.4 A
• Sense circuit voltage < 5.0 V
P0688
ECM/PCM Power Relay
Sense Circuit
Sense voltage < 4.0 V
P0697
Sensor Reference Voltage C
Circuit/Open
Signal voltage deviation
> ± 0.3 V
P0698
Sensor Reference Voltage C
Circuit Low
Signal voltage < 4.606 - 4.998 V
P0699
Sensor Reference Voltage C
Circuit High
5V supply voltage > 4.998 5.406 V
236
Audi A7 Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P062B
Communication Check
SPI communications check
identifier failure
U0001
High Speed CAN
Communication Bus
CAN message, no feedback
U0002
High Speed CAN
Communication Bus
Global time out
U0100
Lost Communication with
ECM/PCM A
• Failure of all CAN engine
messages, time out
> 490 mSec.
• Failure of all CAN engine
messages, but not all CAN
messages, time out
> 1010 mSec.
U0101
Lost Communication with TCM
No CAN message received
from TCM
U0121
CAN ABS Brake Unit
Received CAN message no
message
U0140
CAN communication with
Body Control Module
Time out no message
U0146
CAN Gateway A
Received CAN message no
message
U0155
CAN
ICL
(only
S4)
CAN communication with
Instument Cluster Module
Received CAN message no
message
U0302
Software Incompatibility with
Transmission Control Module
MT vehicle ECM coded as AT
vehicle
U0323
CAN: Instrument cluster only
Ambient temperature value
module not encoded for ambient
temperature sensor, 00h
U0402
CAN Communication with
TCM
Invalid data received from TCM
• Implausible message
U0404
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TSB/Document ID: Audi A7 Referenc
Replacement Service Bulletin Number:
MFR Communication Date: 2013-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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