Audi Fault Codes

The structure of the first digit is as follows:

 

Pxxxx for transmission

Bxxxx for the body

Cxxxx for chassis

Uxxxx for future systems

Structure of the second digit:

 

Government codes P0xxx

P1xxx Manufacturer code for the additional function of the emission system; not required, but reported to the government

Third digital structure:

 

Measurement of air and fuel Px1xx

Px2xx measurement of air and fuel

Ignition system Px3xx

Additional control of Px4xx emissions

Transmission and idle speed Px5xx

Computer and output signals Px6xx

Transfer Px7xx

Transfer Px8xx

Control modules Px9xx, input and output signals

Without on-board diagnostics (OBD)

Code Malfunction
P0010 Chain camshaft position Activator (Group 1)
P0075 Damage circuit solenoid inlet valve control (Group 1)
P0105 Damage to the electrical circuit sensor of absolute air pressure
P0110 Faulty air temperature sensor circuit
P0115 Damage to the electrical circuit coolant temperature sensor
P0116 Violation/amplitude characteristics of the coolant temperature sensor
P0120 Damage to the electrical circuit of the throttle position sensor
P0130 Damage to the oxygen sensor circuit (Group 1, sensor 2)
P0132 A high level of oxygen sensor signal (Group 1, sensor 2)
P0134 Low efficiency of oxygen sensor (Group 1, sensor 1)
P0135 Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 1)
P0196 Violation/amplitude characteristics of engine oil temperature sensor
P0197 Low engine oil temperature sensor signal
P0198 High engine oil temperature sensor signal
P0201 Damage to the electrical circuit fuel injector cylinder 1
P0202 Damage to the electrical circuit fuel injector cylinder 2
P0203 Damage to the electrical circuit fuel injector cylinder 3
P0204 Damage to the electrical circuit fuel injector cylinder 4
P0230 Damage to fuel system electrical circuit
P0325 Damage to the knock sensor 1 circuit
P0335 Damage to the electrical circuit the crankshaft angle sensor
P0340 Damage to the electrical circuit the camshaft position sensor (CMP)
P0443 Damage to the electrical circuit of the control valve fuel vapor recovery system
P0501 Violation/amplitude characteristics of vehicle speed sensor
P0560 Violations of the onboard vehicle network
P0605 Violations of the ESM unit self-test
P1515 Wrong adjustment valve control signal at idle (1 Coil)
P1516 Wrong signal valve idling adjustment (Coil 2)
P1602 Consistent communication with transmission control unit (TCU)
P1610 Communication with anti-theft system
P1800 Damage to the immobilizer antenna Smatra
P1801 Damage pulse transponder immobiliser Smatra
P1803 There is no request from the anti-theft system
P1805 Inconsistent data from the anti-theft system

 

Audi A3 Diagnostic Trouble Codes (1,8 / 2,0 I4)

 

Code Malfunction
P0010 Chain camshaft position Activator (Group 1)
P0030 Oxygen sensor heater circuit damage (Group 1, sensor 1)
P0036 Oxygen sensor heater circuit damage (Group 1, sensor 2)
P0075 Damage circuit solenoid inlet valve control (Group 1)
P0076 Low signal in a circuit solenoid inlet valve control (Group 1)
P0077 High signal in the chain of control solenoid inlet valve (Group 1)
P0105 Damage to the electrical circuit sensor of absolute air pressure
P0106 Violation of the absolute air pressure sensor characteristics
P0110 Faulty air temperature sensor circuit
P0115 Damage to the electrical circuit coolant temperature sensor
P0116 Violation/amplitude characteristics of the coolant temperature sensor
P0120 Damage to the electrical circuit of the throttle position sensor
P0121 Violation/amplitude characteristics of throttle position sensor
P0125 Low coolant temperature
P0130 Damage to the oxygen sensor circuit (Group 1, sensor 2)
P0132 A high level of oxygen sensor signal (Group 1, sensor 2)
P0133 Oxygen sensor slow response (Group 1, sensor 1)
P0139 Oxygen sensor slow response (Group 1, sensor 2)
P0134 Low efficiency of oxygen sensor (Group 1, sensor 1)
P0135 Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 1)
P0136 Damage to the electrical circuit of the lower oxygen sensor (Group 1, sensor 2)
P0140 Low efficiency of oxygen sensor (Group 1, sensor 2)
P0141 Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 2)
P0170 Damage to fuel system (Group 1)
P0196 Violation/amplitude characteristics of engine oil temperature sensor
P0197 Low engine oil temperature sensor signal
P0198 High engine oil temperature sensor signal
P0201 Damage to the electrical circuit fuel injector cylinder 1
P0202 Damage to the electrical circuit fuel injector cylinder 2
P0203 Damage to the electrical circuit fuel injector cylinder 3
P0204 Damage to the electrical circuit fuel injector cylinder 4
P0230 Damage to fuel system electrical circuit
P0300 Random misfiring
P0301 Misfiring in 1-m cylinder
P0302 Misfiring in 2-cylinder

Without onboard diagnostics (OBD)

Code Malfunction
P0105 Damage to the electrical circuit the air flow meter sensor
P0112 Low air temperature sensor signal
P0113 High level air temperature sensor signal
P0116 Damage to the electrical circuit coolant temperature sensor
P0117 Low coolant temperature sensor signal
P0118 High level of coolant temperature sensor signal
P0121 Damage to the electrical circuit of the throttle position sensor
P0122 If signal = low throttle position sensor
P0123 The high signal level of the throttle position sensor
P0130 Damage to the oxygen sensor circuit
P0131 Low oxygen sensor signal
P0132 A high level of oxygen sensor signal
P0133 Oxygen sensor slow response
P0134 Low efficiency of oxygen sensor
P0135 Damage to the electrical circuit of the heated oxygen sensor
P0230 Damage to fuel system electrical circuit
P0201 Damage to the electrical circuit fuel injector cylinder 1
P0202 Damage to the electrical circuit fuel injector cylinder 2
P0203 Damage to the electrical circuit fuel injector cylinder 3
P0204 Damage to the electrical circuit fuel injector cylinder 4
P0326 Knock sensor circuit damage
P0335 Damage to the electrical circuit the crankshaft angle sensor
P0336 Random failures of crankshaft angle sensor
P0342 Low level signal camshaft position sensor
P0343 High level of camshaft position sensor signal
P0501 Damage to the electrical circuit vehicle speed sensor
P0506 Reduced crankshaft rotation speed at idle
P0507 Increased frequency of rotation of the crankshaft at idling
P0562 Low voltage in the on-board vehicle network
P0563 High voltage in the on-board vehicle network
P0606 Internal damage to the ESM unit
P1123 An enriched fuel mixture
P1124 Depleted fuel mixture
P1127 Long re enrichment fuel mixture
P1128 Long re impoverishment of the fuel mixture
P1510 Always open the valve system idle due to a short circuit of electric power supply circuit valve coils
P1513 Always open the valve system idle due to a breakage of the valve coil power supply circuit
P1552 Permanently closed the valve system idle due to a short circuit of electric power supply circuit valve coils
P1553 Permanently closed the valve system idle due to a breakage of the valve coil power supply circuit
P1586 Not corresponding to the signal received from the gearbox
P1610 Damage to the immobilizer SMATRA
P1800 Damage to the immobilizer antenna
P1801 Damage pulse transponder immobiliser
P1803 ESM signal error
P1805 Damage Of EEPROM
P1765 Damage of the torque reduction circuit
Code Malfunction
P0105 Damage to the electrical circuit the air flow meter sensor
P0112 Low air temperature sensor signal
P0113 High level air temperature sensor signal
P0116 Damage to the electrical circuit coolant temperature sensor
P0117 Low coolant temperature sensor signal
P0118 High level of coolant temperature sensor signal
P0121 Damage to the electrical circuit of the throttle position sensor
P0122 If signal = low throttle position sensor
P0123 The high signal level of the throttle position sensor
P0130 Damage to the oxygen sensor circuit
P0131 Low oxygen sensor signal
P0132 A high level of oxygen sensor signal
P0133 Oxygen sensor slow response
P0134 Low efficiency of oxygen sensor
P0135 Damage to the electrical circuit of the heated oxygen sensor
P0136 Damage to the electrical circuit of the lower oxygen sensor
P0137 If signal = low, lower oxygen sensor
P0138 The high signal level of the lower oxygen sensor
P0141 Damage to the electrical circuit of the heated oxygen sensor
P0201 Damage to the electrical circuit fuel injector cylinder 1
P0202 Damage to the electrical circuit fuel injector cylinder 2
P0203 Damage to the electrical circuit fuel injector cylinder 3
P0204 Damage to the electrical circuit fuel injector cylinder 4
P0230 Damage to fuel system electrical circuit
P0300 Random misfiring
P0301 Misfiring in 1-m cylinder
P0302 Misfiring in 2-cylinder
P0303 Misfiring in 3-cylinder
P0304 Misfiring in 4-cylinder
P0326 Knock sensor circuit damage
P0335 Damage to the electrical circuit the crankshaft angle sensor
P0336 Random failures of crankshaft angle sensor
P0342 Low level signal camshaft position sensor
P0343 High level of camshaft position sensor signal
P0422 Low efficiency of catalytic converter
P0444 Electrical circuit interruption valve cleaning carbon canisters
P0445 Electrical shorting of the cleaning valve activated charcoal canisters
P0501 Damage to the electrical circuit vehicle speed sensor
P0506 Reduced crankshaft rotation speed at idle
P0507 Increased frequency of rotation of the crankshaft at idling
P0562 Low voltage in the on-board vehicle network
P0563 High voltage in the on-board vehicle network
P0606 Internal damage to the ESM unit
P1123 An enriched fuel mixture
P1124 Depleted fuel mixture
P1127 Long pereobogashhenie the fuel mixture
P1128 Long pereobednenie the fuel mixture
P1510 Always open the valve system idle due to a short circuit of electric power supply circuit valve coils
P1513 Always open the valve system idle due to a breakage of the valve coil power supply circuit
P1552 Permanently closed the valve system idle due to a short circuit of electric power supply circuit valve coils
P1553 Permanently closed the valve system idle due to a breakage of the valve coil power supply circuit
P1529 Damage to the gearbox control unit
P1586 Not corresponding to the signal received from the gearbox
P1605 Damage to the electrical circuit the acceleration sensor
P1606 Not corresponding to the signal received from the acceleration sensor
P1611 Low level input signal lamp MIL
P1613 High level input signal lamp MIL
P1610 Damage to the immobilizer SMATRA
P1800 Damage to the immobilizer antenna
P1801 Damage pulse transponder immobiliser

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