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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (2.0L - TURBO GENERIC SCAN TOOL - MOTRONIC FUEL INJECTION SYSTEM, IGNITION SYSTEM, ENGINE CODE: BPG)ST GENERIC SCAN TOOLDIAGNOSTIC TROUBLE CODE (DTC) TABLESSAE P0XXX-DTCSIGNITION SYSTEM

2009 Audi A6 Base

Ignition system

2009 Audi A6 BaseSECTION Ignition system

WARNING: This page is about a different car, the 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Error Message	Diagnostic Procedure	Monitor Strategy	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illum
P0300	Random Misfire Detected	Check fuel injectors N30, N31, N32, N33, N83 → Fuel Injectors N30, N31, N32, N33 , checking . Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check Spark plugs → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check the intake system for leaks → Checking intake system for leaks (false air) . Check fuel pressure → Fuel pressure and residual pressure before high pressure pump , checking .	Crankshaft Speed Fluctuation, Single or Multiple Misfire.	Emission threshold 1st interval %(MR), >1.7% Emission threshold misfire rate (MR), > 1.7% Catalyst damage misfire rate (MR), > 16-20%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle-6760 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active ECT at start, > -7°C If ECT at start, wait until actual ECT, > 20°C	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0301	Cylinder 1 Misfire Detected	Check fuel injectors N30, N31, N32, N33, N83 → Fuel Injectors N30, N31, N32, N33 , checking . Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check Spark plugs → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check the intake system for leaks → Checking intake system for leaks (false air) . Check fuel pressure → Fuel pressure and residual pressure before high pressure pump , checking .	Crankshaft Speed Fluctuation, Single or Multiple Misfire.	Emission threshold 1st interval %(MR), >1.7% Emission threshold misfire rate (MR), > 1.7% Catalyst damage misfire rate (MR), > 16-20%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle-6760 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active ECT at start, > -7°C If ECT at start, wait until actual ECT, > 20°C	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0302	Cylinder 2 Misfire Detected	Check fuel injectors N30, N31, N32, N33, N83 → Fuel Injectors N30, N31, N32, N33 , checking . Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check Spark plugs → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check the intake system for leaks → Checking intake system for leaks (false air) . Check fuel pressure → Fuel pressure and residual pressure before high pressure pump , checking .	Crankshaft Speed Fluctuation, Single or Multiple Misfire.	Emission threshold 1st interval %(MR), >1.7% Emission threshold misfire rate (MR), > 1.7% Catalyst damage misfire rate (MR), > 16-20%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle-6760 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active ECT at start, > -7°C If ECT at start, wait until actual ECT, > 20°C	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0303	Cylinder 3 Misfire Detected	Check fuel injectors N30, N31, N32, N33, N83 → Fuel Injectors N30, N31, N32, N33 , checking . Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check Spark plugs → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check the intake system for leaks → Checking intake system for leaks (false air) . Check fuel pressure → Fuel pressure and residual pressure before high pressure pump , checking .	Crankshaft Speed Fluctuation, Single or Multiple Misfire.	Emission threshold 1st interval %(MR), >1.7% Emission threshold misfire rate (MR), > 1.7% Catalyst damage misfire rate (MR), > 16-20%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle-6760 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active ECT at start, > -7°C If ECT at start, wait until actual ECT, > 20°C	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0304	Cylinder 4 Misfire Detected	Check fuel injectors N30, N31, N32, N33, N83 → Fuel Injectors N30, N31, N32, N33 , checking . Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check Spark plugs → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking . Check the intake system for leaks → Checking intake system for leaks (false air) . Check fuel pressure → Fuel pressure and residual pressure before high pressure pump , checking .	Crankshaft Speed Fluctuation, Single or Multiple Misfire.	Emission threshold 1st interval %(MR), >1.7% Emission threshold misfire rate (MR), > 1.7% Catalyst damage misfire rate (MR), > 16-20%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle-6760 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active ECT at start, > -7°C If ECT at start, wait until actual ECT, > 20°C	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0321	Ignition/Distributor Engine Speed Input Circuit Range/Performance	Check Engine Speed (RPM) Sensor G28 → Engine Coolant Temperature (ECT) Sensor G62 , checking .	Rationality Check.	Counted versus referenced teeth, > 1	Engine speed, 600-1600 RPM Vehicle speed, 1 or > 15 MPH	0.5 Seconds	Continuous 2 DCY
P0322	Ignition/Distributor Engine Speed Input Circuit No Signal	Check Engine Speed (RPM) Sensor G28 → Engine Coolant Temperature (ECT) Sensor G62 , checking .	Signal Activity Check.	Comparison with phase sensor, no signal	Engine speed, 600-1600 RPM Vehicle speed, 1 or > 15 MPH	0.5 Seconds	Continuous 2 DCY
P0324	Knock Control System Error	Check Knock Sensors → Knock Sensor , checking .	Internal Hardware Check.	Zero test procedure, failed	ECT, > 40.5°C	150 Seconds	Multiple 2 DCY
P0327	Knock Sensor 1 Circuit Low Input (Bank 1)	Check Knock Sensors → Knock Sensor , checking .	Signal Range Check.	Lower threshold, 0.07-0.53 V	Engine speed, > 2000 RPM ECT, > 40.5°C Engine load, > 25%	0.5 Seconds	Multiple 2 DCY
P0328	Knock Sensor 1 Circuit High Input (Bank 1)	Check Knock Sensors → Knock Sensor , checking .	Signal Range Check.	Upper threshold, 5.1-38.6 V	Engine speed, > 2000 RPM ECT, > 40.5°C Engine load, > 25%	0.5 Seconds	Multiple 2 DCY
P0332	Knock Sensor 2 Circuit Low Input (Bank 2)	Check Knock Sensors → Knock Sensor , checking .	Signal Range Check.	Lower threshold, 0.07-0.57 V	Engine speed, > 2000 RPM ECT, > 40.5°C Engine load, > 25%	0.5 Seconds	Multiple 2 DCY
P0333	Knock Sensor 2 Circuit High Input (Bank 2)	Check Knock Sensors → Knock Sensor , checking .	Signal Range Check.	Upper threshold, 5.1-38.6 V	Engine speed, > 2000 RPM ECT, > 40.5°C Engine load, > 25%	0.5 Seconds	Multiple 2 DCY
P0340	Camshaft Position Sensor A Circuit (Bank 1 or single sensor)	Check Camshaft Position (CMP) Sensor G40 → Camshaft Position (CMP) Sensors , checking .	Rationality Check.	Adaptive vs. target value, > 20°CA	Engine speed, 600-1600 RPM ECT, > 50.25°C	2 Seconds	Multiple 2 DCY
P0341	Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor)	Check Camshaft Position (CMP) Sensor G40 → Camshaft Position (CMP) Sensors , checking .	Rationality Check.	Signal voltage, no altering at reference gap		0.5 Seconds	Continuous 2 DCY
P0342	Camshaft Position Sensor A Circuit Low Input (Bank 1 or single sensor)	Check Camshaft Position (CMP) Sensor G40 → Camshaft Position (CMP) Sensors , checking .	Rationality Check.	Signal low voltage, 12 Rev.		0.5 Seconds	Continuous 2 DCY
P0343	Camshaft Position Sensor A Circuit High Input (Bank 1 or single sensor)	Check Camshaft Position (CMP) Sensor G40 → Camshaft Position (CMP) Sensors , checking .	Rationality Check.	Signal voltage high, 12 rev.		0.5 Seconds	Continuous 2 DCY
P0351	Ignition Coil A Primary/Secondary Circuit	Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking .	Open Circuit, Internal Hardware Check.	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	0.5 Seconds	Continuous 2 DCY
P0352	Ignition Coil B Primary/Secondary Circuit	Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking .	Open Circuit, Internal Hardware Check.	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	0.5 Seconds	Continuous 2 DCY
P0353	Ignition Coil C Primary/Secondary Circuit	Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking .	Open Circuit, Internal Hardware Check.	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	0.5 Seconds	Continuous 2 DCY
P0354	Ignition Coil D Primary/Secondary Circuit	Check Ignition Coil with Power Output Stage → Ignition Coil with Power Output Stage N70, N127, N291, N292 , checking .	Open Circuit, Internal Hardware Check.	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	0.5 Seconds	Continuous 2 DCY

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.