OBD fault code library

Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.

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Fault codes

P1656 No load signals detected in ECM
Mahindra Computer Output Circuit High severity
P1655 Short circuit detected in battery
Mahindra Vehicle Speed and Idle Control System High severity
P1654 Short circuit detected in battery
Mahindra Vehicle Speed and Idle Control System High severity
P2138 Issue in accelerator pedal sensor
Mahindra Vehicle Speed and Idle Control System High severity
P1707 Internal malfunction in ECM
Mahindra Computer Output Circuit High severity
P1112 Issue in air temperature sensor
Mahindra Fuel and Air Metering High severity
P160A Issue in coolant temperature sensor
Mahindra Fuel and Air Metering High severity
P160B Issue in coolant temperature sensor
Mahindra Fuel and Air Metering High severity
P1609 Short circuit in coolant temperature sensor
Mahindra Fuel and Air Metering High severity
P160F Internal malfunction in ECM
Mahindra Computer Output Circuit High severity
P1093 VVEL Actuator Motor Bank 2
Mercedes Benz Fuel and Air Metering High severity
P2064 Reductant Supply Ctrl Circuit High
Auxiliary Emissions Control High severity
U1015 SCP (J1850) Invalid or Missing Data for Primary Id
Communication Network System High severity
U1022 SCP (J1850) Invalid or Missing Data for Primary Id
Communication Network System High severity
U1036 SCP (J1850) Invalid or Missing Data for Wheels
Communication Network System High severity

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