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Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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All severities9253 Low priority305 Check soon8256 Urgent621

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All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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Diagnostic codes

Showing 265–288 of 7353

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P0148Fuel Delivery ErrorCheck soonFuel System30–120 minutes for initial diagnosisP0148 relates to fuel delivery error. Check the fault conditions and vehicle-specific procedure before replacing parts.P0149Fuel Timing ErrorCheck soonFuel System30–120 minutes for initial diagnosisP0149 relates to fuel timing error. Check the fault conditions and vehicle-specific procedure before replacing parts.P014AO2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP014A relates to o2 sensor delayed response - rich to lean bank 2 sensor 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P014BO2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP014B relates to o2 sensor delayed response - lean to rich bank 2 sensor 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P014CO2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP014C relates to o2 sensor slow response - rich to lean bank 1 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P014DO2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP014D relates to o2 sensor slow response - lean to rich bank 1 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P014EO2 Sensor Slow Response - Rich to Lean Bank 2 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP014E relates to o2 sensor slow response - rich to lean bank 2 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P014FO2 Sensor Slow Response - Lean to Rich Bank 2 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP014F relates to o2 sensor slow response - lean to rich bank 2 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P0150Oxygen Sensor Circuit Bank 2 Sensor 1Low prioritySensors & Electronics30–90 minutes for initial diagnosisP0150 means Oxygen Sensor Circuit Bank 2 Sensor 1. Learn the likely symptoms, common causes, and a safe diagnostic order before replacing parts.P0159Oxygen Sensor Circuit Slow Response Bank 2 Sensor 2Check soonEmissions System45–120 minutes for initial diagnosisP0159 means Oxygen Sensor Circuit Slow Response Bank 2 Sensor 2. Learn the likely symptoms, causes, safety implications, and a practical diagnostic order.P015AO2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP015A relates to o2 sensor delayed response - rich to lean bank 1 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P015BO2 Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP015B relates to o2 sensor delayed response - lean to rich bank 1 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P015CO2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP015C relates to o2 sensor delayed response - rich to lean bank 2 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P015DO2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP015D relates to o2 sensor delayed response - lean to rich bank 2 sensor 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P015EExcessive Time to Enter Closed Loop Fuel Timing ControlCheck soonFuel System30–120 minutes for initial diagnosisP015E relates to excessive time to enter closed loop fuel timing control. Check the fault conditions and vehicle-specific procedure before replacing parts.P015FExcessive Time to Enter Closed Loop Cylinder Balance ControlCheck soonEngine Problems30–120 minutes for initial diagnosisP015F relates to excessive time to enter closed loop cylinder balance control. Check the fault conditions and vehicle-specific procedure before replacing parts.P0168Fuel Temperature Too HighCheck soonFuel System30–120 minutes for initial diagnosisP0168 relates to fuel temperature too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0169Incorrect Fuel CompositionCheck soonFuel System30–120 minutes for initial diagnosisP0169 relates to incorrect fuel composition. Check the fault conditions and vehicle-specific procedure before replacing parts.P016AExcessive Time To Enter Closed Loop Air/Fuel Ratio ControlCheck soonFuel System30–120 minutes for initial diagnosisP016A relates to excessive time to enter closed loop air/fuel ratio control. Check the fault conditions and vehicle-specific procedure before replacing parts.P016BClosed Loop Air/Fuel Ratio Control At Limit - System Too RichCheck soonFuel System30–120 minutes for initial diagnosisP016B relates to closed loop air/fuel ratio control at limit - system too rich. Check the fault conditions and vehicle-specific procedure before replacing parts.P016CClosed Loop Air/Fuel Ratio Control At Limit - System Too LeanCheck soonFuel System30–120 minutes for initial diagnosisP016C relates to closed loop air/fuel ratio control at limit - system too lean. Check the fault conditions and vehicle-specific procedure before replacing parts.P016DExcessive Time To Enter Closed Loop Fuel Pressure ControlCheck soonFuel System30–120 minutes for initial diagnosisP016D relates to excessive time to enter closed loop fuel pressure control. Check the fault conditions and vehicle-specific procedure before replacing parts.P016EClosed Loop Fuel Pressure Control At Limit - Pressure Too HighCheck soonFuel System30–120 minutes for initial diagnosisP016E relates to closed loop fuel pressure control at limit - pressure too high. Check the fault conditions and vehicle-specific procedure before replacing parts.P016FClosed Loop Fuel Pressure Control At Limit - Pressure Too LowCheck soonFuel System30–120 minutes for initial diagnosisP016F relates to closed loop fuel pressure control at limit - pressure too low. Check the fault conditions and vehicle-specific procedure before replacing parts.