Ignition system

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 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	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illum
P0300	Random Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0301	Cylinder 1 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0302	Cylinder 2 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0303	Cylinder 3 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0304	Cylinder 4 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0305	Cylinder 5 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0306	Cylinder 6 Misfire Detected	Check the Spark plugs. Check the intake system for leaks (false air). Refer to → Checking Intake System for Leaks . Check the Fuel pressure regulator and residual pressure. Refer to → Fuel pressure and residual pressure before high pressure pump , Checking . Check the fuel injectors. Refer to → Fuel Injectors , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Emission threshold 1st interval %(MR), >1.3% Emission threshold misfire rate (MR), > 1.3% Catalyst damage misfire rate (MR), > 1.315%	Time after engine start, idle-150 RPM Camshaft revolutions, 1 Engine speed range, idle, 6850 RPM Engine torque, > 0 torque (Nm) Fuel cut off, not active	1000 Rev. 200 Rev.	Continuous 2 DCY Immed.
P0326	Knock Sensor 1 Circuit Range/Performance	Check the Knock Sensor (KS) 1 G61. Refer to → Knock Sensor (KS) , Checking .	Lower threshold, 0.03 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0327	Knock Sensor 1 Circuit Low Input (Bank 1)	Check the Knock Sensor (KS) 1 G61. Refer to → Knock Sensor (KS) , Checking .	Lower threshold, 0.18 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0328	Knock Sensor 1 Circuit High Input (Bank 1)	Check the Knock Sensor (KS) 1 G61. Refer to → Knock Sensor (KS) , Checking .	Upper threshold, 4.8 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0331	Knock Sensor 2 Circuit Range/Performance	Check the Knock Sensor (KS) 2 G66. Refer to → Knock Sensor (KS) , Checking .	Upper threshold, >1.99 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0332	Knock Sensor 2 Circuit Low Input (Bank 2)	Check the Knock Sensor (KS) 2 G66. Refer to → Knock Sensor (KS) , Checking .	Lower threshold, 0.18 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0333	Knock Sensor 2 Circuit High Input (Bank 2)	Check the Knock Sensor (KS) 2 G66. Refer to → Knock Sensor (KS) , Checking .	Upper threshold, 4.8 V	Engine speed, > 2656 RPM Mass air flow, >0.75 g/rev	40 Times	Continuous 2 DCY
P0335	Crankshaft Position Sensor (A) Circuit-G28 Malfunction	Check the Engine Speed (RPM) Sensor G28. Refer to → Engine Speed (RPM) Sensor G28 , Checking .	Delta signal voltage > 1 V Internal signal voltage 1.5 V Internal voltage >3.5 VRPM signal- no signal	Engine speed, > 32 RPM	0.4 Seconds	Continuous 2 DCY
P0336	Crankshaft Position Sensor (A) Circuit Range/Performance	Check the Engine Speed (RPM) Sensor G28. Refer to → Engine Speed (RPM) Sensor G28 , Checking .	RPM signal comparison with phase sensor-not synchronous Counted versus reference teeth->1 Actual time value vs. modeled time value->1.375	Engine speed, >32 rpm Engine speed, >416 rpm Engine speed, >480 rpm	0.4 Seconds 0.3 Seconds 25 Seconds	Continuous 2 DCY
P0340	Camshaft Position Sensor A Circuit (Bank 1 or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to → Camshaft Position (CMP) Sensors , Checking .	Signal voltage, no altering at 4 revs	Engine speed, >416 rpm	0.4 Seconds	Continuous 2 DCY
P0341	Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to → Camshaft Position (CMP) Sensors , Checking .	Actual time value-1 vs. min time value Adaptive value vs. target value >21°CA Actual time value vs. modeled time value 1-3.5	Engine speed, >416 rpm Duty cycle, Commanded off	0.1 Seconds 2 Seconds 3 Seconds	Continuous 2 DCY
P0345	Camshaft Position Sensor (A) Circuit	Check the Camshaft Position (CMP) Sensor G40. Refer to → Camshaft Position (CMP) Sensors , Checking .	Signal voltage, no altering at 4 revs	Engine speed, >416 rpm	0.4 Seconds	Continuous 2 DCY
P0346	Camshaft Position Sensor A Circuit Range/Performance	Check the Camshaft Position (CMP) Sensor G40. Refer to → Camshaft Position (CMP) Sensors , Checking .	Actual time value-1 vs. min time value Adaptive value vs. target value >21°CA Actual time value vs. modeled time value 1-3.5	Engine speed, >416 rpm Duty cycle, Commanded off	0.1 Seconds 2 Seconds 3 Seconds	Continuous 2 DCY
P0351	Ignition Coil A Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Open circuit 0.05 - 0.2 mA Short to ground/B+ >0.04-0.2 mA	Engine speed, 512 RPM	2 Seconds	Continuous 2 DCY
P0352	Ignition Coil B Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	2 Seconds	Continuous 2 DCY
P0353	Ignition Coil C Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	2 Seconds	Continuous 2 DCY
P0354	Ignition Coil D Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	2 Seconds	Continuous 2 DCY
P0355	Ignition Coil E Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	2 Seconds	Continuous 2 DCY
P0356	Ignition Coil F Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coil with Power Output Stage , Checking .	Signal current, 4.95-8.82 mA Internal fault, changing error	Engine speed, 5000 RPM	2 Seconds	Continuous 2 DCY
P0365	Camshaft Position Sensor (B) Circuit (Bank 1) Malfunction	Check the Camshaft Position (CMP) Sensor 2 G163. Refer to → Camshaft Position (CMP) Sensors , Checking .	Signal voltage, no altering at 4 revs	Engine speed, >416 rpm	0.4 Seconds	Continuous 2 DCY
P0366	Camshaft Position Sensor (B) Circuit (Bank 1) Range/Performance	Check the Camshaft Position (CMP) Sensor 2 G163. Refer to → Camshaft Position (CMP) Sensors , Checking .	Actual time value-1 vs. min time value Adaptive value vs. target value >21°CA Actual time value vs. modeled time value 1-3.5	Engine speed, >416 rpm Duty cycle, Commanded off	0.1 Seconds 2 Seconds 3 Seconds	Continuous 2 DCY
P0390	Camshaft Position Sensor (B) Circuit (Bank 2) Malfunction	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to → Camshaft Position (CMP) Sensors , Checking .	Signal voltage, no altering at 4 revs	Engine speed, >416 rpm	0.4 Seconds	Continuous 2 DCY
P0391	Camshaft Position Sensor (B) Circuit (Bank 2) Range/Performance	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to → Camshaft Position (CMP) Sensors , Checking .	Actual time value-1 vs. min time value Adaptive value vs. target value >21°CA Actual time value vs. modeled time value 1-3.5	Engine speed, >416 rpm Duty cycle, Commanded off	0.1 Seconds 2 Seconds 3 Seconds	Continuous 2 DCY