Search OBD-II codes
Filter by family, system, severity, engine, fuel or manufacturer. Every row links to the full diagnostic page with causes, safety advice, checks and a guided workflow.
208 codes found
Showing 176–200 of 208
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Fuel system lean — HO2S bank 1 sensor 1
Ford generic: bank 1 runs lean.
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Intake valve control solenoid circuit
Nissan intake valve timing control circuit fault.
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Intake valve timing control performance
Nissan: intake valve timing not reached.
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Fuel injector cylinder 2 open circuit
The cylinder 2 injector circuit is open (VW).
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Camshaft adjustment bank 1
Camshaft adjustment range not reached (common on VW 1.8T/2.0).
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Misfire cylinder 1 with fuel cut
BMW: cylinder 1 misfire severe enough to cut fuel.
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Unable to bleed up fuel tank vacuum
The fuel tank cannot relieve vacuum (Ford).
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Intake manifold runner control stuck open
The intake manifold runner control is stuck (Ford).
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Idle speed regulation lower limit exceeded
The idle controller cannot reach the lower limit (VW).
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Engine start blocked by immobilizer
The immobilizer is blocking the start (VW/Audi).
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Electric water pump circuit malfunction
BMW electric water pump circuit fault (N20/N55).
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Throttle actuator control motor circuit range / performance
The electronic throttle motor is not performing as commanded.
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Throttle / pedal position sensor D circuit low
The accelerator pedal position sensor D signal is too low.
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Throttle / pedal position sensor D-E correlation
The two accelerator pedal sensor signals do not agree.
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O2 sensor positive current — Bank 1 Sensor 1
Toyota: the air/fuel ratio sensor current is out of range.
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Intake air leak
The ECM detects an intake air leak.
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Pressure control solenoid D electrical
Toyota automatic transmission pressure solenoid D circuit fault.
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High-speed CAN communication bus
The high-speed CAN bus has a fault preventing communication.
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Control module communication bus off
Communication on the bus is completely stopped.
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Lost communication with engine control module
Another module cannot communicate with the engine computer over the CAN bus.
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Lost communication with transmission control module
Modules cannot communicate with the transmission controller over the network.
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Lost communication with transmission control module
Another module cannot communicate with the transmission controller.
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Lost communication with ABS control module
Modules cannot communicate with the ABS controller over the network.
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Lost communication with vehicle dynamics control module
Modules cannot reach the vehicle dynamics control module.
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Lost communication with lateral acceleration sensor
Communication with the lateral acceleration sensor is lost.