NHTSA ID Number: 10203510
Manufacturer Communication Number: QRSB AUDI
A6 S6
TSB/Document Date: 2021-11-15
Summary
Quick reference specification book.
Upper threshold > 1.00 V
P0335
Engine Speed Sensor
• Open circuit > 1 V
• Short to grnd < 1.5 V
• Short to B+ > 3.5 V
• Signal check no signal
P0336
Engine Speed Sensor
• RPM signal comparison with
phase sensor not synchronous
• Counted versus reference
teeth > 1
• Actual time value vs modeled
time value > 1.375
P0340
Camshaft Position Sensor
A Circuit (Bank 1 or Single
Sensor)
Signal activity check
• Signal voltage no altering @
4 Rev
P0341
Camshaft Position Sensor A
Circuit Range/Performance
(Bank 1 or Single Sensor)
• Signal pattern incorrect
• defect counter 6.00
P0342
Camshaft Position Sensor A
Circuit Low Input (Bank 1 or
Single Sensor)
• Signal voltage permanently low
and
• Crankshaft signals 4.00
300
Malfunction Criteria and
Threshold Value
Audi A6/S6 Quick Reference Specification Book
•
September 2013
Error Message
Malfunction Criteria and
Threshold Value
P0343
Camshaft Position Sensor A
Circuit High Input (Bank 1 or
Single Sensor)
• Signal voltage permanently
high
• Crankshaft signals 4
P0345
Camshaft Position Sensor
A Circuit (Bank 1 or single
sensor)
Signal activity check
• Signal signal activity check
P0346
Camshaft Position Sensor A
Circuit Range/Performance
(Bank 2 or Single Sensor)
• Signal pattern incorrect
• Defect counter 6.00
P0347
Camshaft Position Sensor A
Circuit Low (Bank 2 or Single
Sensor)
• Signal voltage permanently
low
and
• Crankshaft signals 4.00
P0348
Sensor A Circuit High (Bank 2
or Single Sensor)
• Signal voltage permanently
high
and
• Crankshaft signals 4
P0351
Ignition Coil A Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0352
Ignition Coil B Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0353
Ignition Coil C Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0354
Ignition Coil D Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0355
Ignition Coil E Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC Chart
DTC
301
DTC
Error Message
Malfunction Criteria and
Threshold Value
P0356
Ignition Coil F Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0357
Ignition Coil G Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0358
Ignition Coil H Primary/
Secondary Circuit
Open circuit
• Signal current < 0.25 to
2.0 mA
or
• Internal check failed
P0366
Camshaft Position Sensor A
Circuit Range/Performance
(Bank 1 or Single Sensor)
• Signal pattern incorrect
• Defect counter 6
P0367
Camshaft Position Sensor A
Circuit Low (Bank 1 or Single
Sensor)
• Signal voltage permanently low
and
• Crankshaft signals 4.00
P0368
Camshaft Position Sensor A
Circuit High (Bank 1 or Single
Sensor)
• Signal voltage permanently
high
and
• Crankshaft signals 4.00
P0391
Camshaft Position Sensor A
Circuit Range/Performance
(Bank 2 or Single Sensor)
• Signal pattern incorrect
• Defect counter 6
P0392
Camshaft Position Sensor A
Circuit Low (Bank 2 or Single
Sensor)
• Signal voltage permanently low
and
• Crankshaft signals 4.00
P0393
Camshaft Position Sensor A
Circuit High (Bank 2 or Single
Sensor)
• Signal voltage permanently
high
and
• Crankshaft signals 4.00
Additional Exhaust Regulation
DTC
P0410
302
Error Message
Rationality Check Directly
after Catalyst Heating
Malfunction Criteria and
Threshold Value
Difference ambient pressure vs.
AIR pressure measured with
AIR pressure sensor > 3.00 kPa
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC
Error Message
Malfunction Criteria and
Threshold Value
Open Circuit
Signal voltage 4.70 - 5.40 V
P0414
Short to Ground or Short to
Battery Voltage
Signal voltage 0.0 - 3.25 V
Signal current > 2.20 A
P0417
Short to Ground or Short to
Battery Voltage
Signal voltage 0.0 - 3.25 V
Signal current > 2.20 A
P0418
Air Pump Relay Open Circuit
Signal voltage 4.70 - 5.40 V
P0420
Catalyst System Efficiency
Below Threshold
Measured OSC / OSC of
borderline catalyst. EWMA filter
value for catalyst , < 1.0
P0421
Catalyst Bank 1
EWMA filter value for catalyst
< 0.2
P0430
Catalyst System Bank 2
Amplitude ratio O2S > 1.5
P0431
Catalyst Bank 2
EWMA filter value for catalyst
< 0.2
P0441
Evaporative Emission System
functional check Valve Stuck
(Purge Flow)
Deviation lambda control
< 2.50% and deviation idle
control < 20%
P0442
Evaporative Emission System
Leak Detected (Small Leak)
Time for pressure drop < 1.7 2.2 Sec.
P0444
Evaporative Emission System
Purge Control Valve Circuit
Open
Signal voltage > 4.70 - 5.40 V
P0450
NVLD switch
Open circuit signal voltage 0.39
- 0.55 V
P0451
NVLD switch
Natural vacuum leak detection
(NVLD) switch position stuck
closed
P0452
NVLD switch
Short to ground
signal voltage< 0.24 V
P0453
NVLD switch
Short to battery voltage signal
voltage > 3.0 V
P0455
Evaporative Emission System
Leak Detected (Gross Leak/
No Flow)
Time for pressure drop
< 0.95 - 1.1 Sec.
P0456
Evaporative Emission System
Leak Detected (Very Small
Leak)
• Natural vacuum leak detection
(NVLD) switch position
• Switch Open
P0458
Evaporative Emission System
Purge Control Valve Circuit
Low or Short to Ground
Signal voltage, < 0.0 - 3.26 V
Audi A6/S6 Quick Reference Specification Book
•
September 2013
DTC Chart
P0413
303
DTC
Error Message
P0459
Evaporative Emission System
Purge Control Valve Circuit
High or Short to Voltage
Signal current > 2.2 A
P0491
Secondary Air System
Insufficient Flow (Bank 1)
• 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
304
Malfunction Criteria and
Threshold Value
Audi A6/S6 Quick Reference Specification Book
•
September 2013
P0492
Error Message
Secondary Air System
Insufficient Flow (Bank 2)
Malfunction Criteria and
Threshold Value
• 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
Audi A6/S6 Quick Reference Specification Book
•
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TSB/Document ID: QRSB AUDI A6 S6
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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