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Audi Engine Codes

Engine Code Engine Code Description
P1540Vehicle Speed Sensor High Input
P1541Fuel Pump Relay Circ Open
P1542Throttle Actuation Potentiometer Range/Performance
P1543Throttle Actuation Potentiometer Signal too Low
P1544Throttle Actuation Potentiometer Signal too High
P1545Throttle Pos.Contr Malfunction
P1546Boost Pressure Contr.Valve Short to B+
P1547Boost Pressure Contr.Valve Short to Ground
P1548Boost Pressure Contr.Valve Open
P1549Boost Pressure Contr.Valve Short to Ground
P1550Charge Pressure Deviation
P1551Barometric Pressure Sensor Circ. Short to B+
P1552Barometric Pressure Sensor Circ. Open/Short to Ground
P1553Barometric/manifold pressure signal ratio out of range
P1554Idle Speed Contr.Throttle Pos. Basic Setting Conditions not met
P1555Charge Pressure Upper Limit exceeded
P1556Charge Pressure Contr. Negative Deviation
P1557Charge Pressure Contr. Positive Deviation
P1558Throttle Actuator Electrical Malfunction
P1559Idle Speed Contr.Throttle Pos. Adaptation Malfunction
P1560Maximum Engine Speed Exceeded
P1561Quantity Adjuster Deviation
P1562Quantity Adjuster Upper Limit Attained