Ford OBD Codes: Meaning & Fixes

P0174 Powertrain The cylinder bank without cylinder 1 is running lean even with the maximum fuel correction… Moderate P0300 Powertrain The engine computer sees misfires that jump between cylinders or hit several cylinders at once. High P0430 Powertrain The bank 2 converter on a V6, V8 or split-exhaust engine isn't cleaning the exhaust well enough. Low P0302 Powertrain Cylinder 2 keeps misfiring. On inline engines it's a middle cylinder, so rule out coolant… Moderate P0303 Powertrain Cylinder 3 is misfiring. Check whether it misses at idle or under load before you blame… Moderate P0304 Powertrain Cylinder 4 is misfiring. Its end or rear position makes water, oil and intake leaks common… Moderate

B00A0 Body The front passenger seat sensing system has failed, so the car can't tell who, if anyone… High B2278 Ford · Body The power steering module can't trust the column torque sensor, so it drops or limits steering… High C0021 Chassis The brake module thinks the power brake booster isn't giving the assist it should. Check pedal… High P0001 Powertrain The PCM can't drive the solenoid that meters fuel into the high-pressure pump. Often a no-start… High P0018 Powertrain The bank 2 intake cam is out of step with the crankshaft on a V or boxer engine; chain wear… High P0087 Powertrain Measured fuel pressure has dropped well below what the engine computer is asking for. High P0200 Powertrain The ECU found a fault in the injector control circuits that it can't pin on one cylinder, often… High P0217 Powertrain The engine overheated. Stop driving: continuing can warp the head, blow the head gasket… Critical P0300 Powertrain The engine computer sees misfires that jump between cylinders or hit several cylinders at once. High P0320 Powertrain The computer lost the engine speed (rpm) signal. The engine can stall suddenly or refuse… High P07A3 Ford · Powertrain The PowerShift's odd-gear clutch isn't letting go when the TCM commands it open, so the car… High P1285 Ford · Powertrain Ford's cylinder head temperature sensor reports the engine is overheating. Pull over and shut… Critical P1299 Ford · Powertrain The engine got so hot that the Ford PCM is shutting off fuel to cylinders to save it. Stop… Critical P2111 Powertrain The throttle plate stayed more open than commanded – a real safety concern until you know why. High P2112 Powertrain The PCM asked the throttle to open, but it stayed shut – the engine can't get air, so it bogs… High P246C Powertrain The DPF is so restricted that the ECM has cut engine power to protect the turbo, EGR system… High U0101 Network The engine computer and other modules stopped hearing from the transmission control module. High U0105 Network The PCM lost contact with the separate module that fires the injectors, common on diesel… High U0109 Network The PCM lost contact with the module that controls fuel pump speed; stalling or no-start can… High