ENGINE 273 MPFI 303 ENGINE Sr. Blink Description as per ISO/SAE No Code 1 27 HO2S1 Heater Control Circuit Range/ Performance 27 HO2S1 Heater Control Circuit Low 27 HO2S1 Heater Control Circuit High 27 HO2S1 Heater Resistance 2 21 ManifoldAbsolutePressure/BarometricPressureCircuit Low Input 21 ManifoldAbsolutePressure/BarometricPressureCircuit High Input 3 22 IdleAir Temp. Sensor Circuit Low 22 IdleAir Temp. Sensor Circuit High 4 19 Engine Coolant Temp. Circuit Low 19 Engine Coolant Temp. Circuit High 5 11 Throttle Position Sensor Circuit Low 11 Throttle Position Sensor Circuit High 6 28 HO2S1 Sensor Circuit Range/ Performance 28 HO2S1 Sensor Circuit Low Voltage 28 HO2S1 Sensor Circuit High Voltage 28 HO2S1 Sensor Circuit No Activity Detected 7 12 Cylinder 1 Injector Circuit/Open 12 Cylinder 1 Injector Circuit Low 12 Cylinder 1 Injector Circuit High 8 13 Cylinder 2 Injector Circuit/Open 13 Cylinder 2 Injector Circuit Low 13 Cylinder 2 Injector Circuit High 9 41 Cylinder 1 Misfire Detected 10 45 Cylinder 2 Misfire Detected 11 14 Crankshaft Position Sensor Circuit Range/ Performance 12 31 Ignition Coil Primary/Secondary Circuit 13 18 Evaporative Emission System Purge Control Valve Circuit Range/ Performance 18 Evaporative Emission System Purge Control Valve Circuit Low 18 Evaporative Emission System Purge Control Valve Circuit High 14 24 Vehicle Speed Sensor Range/Performance 15 33 Idle Air Control System Circuit Low 33 Idle Air Control System Circuit High 33 IdleAir Control Circuit 33 Idle Air Control System RPM Lower Than Expected 33 Idle Air Control System RPM Higher Than Expected 16 26 SystemVoltage not detected 26 System Voltage Low 26 System Voltage High 17 42 Fuel Pump Control Circuit /Open 42 Fuel Pump Control Circuit Low 42 Fuel Pump Control Circuit High 18 37 Sensor Reference Voltage 1 Circuit Low 37 Sensor Reference Voltage 1 Circuit High 37 Sensor Signal Voltage 2 Circuit Low 37 Sensor Signal Voltage 2 Circuit High 19 32 A/C Clutch Relay Control Circuit fault 32 A/C Clutch Relay Control Circuit Low 32 A/C Clutch Relay Control Circuit High 20 38 Radiator Fan Relay Control Circuit fault 38 Radiator Fan Control Circuit Low 38 Radiator Fan Control Circuit High 21 51 Condenser Fan Relay Control Circuit fault 51 Condenser Fan Control Circuit Low 51 Condenser Fan Control Circuit High 22 43 TemperatureWarning Light Fault 43 TemperatureWarning Light Fault 43 TemperatureWarning Light Fault 23 52 Cylinder Misfire 24 53 Engine Over Heating 53 Engine stalled due to overheating 25 71 Intake air system leak 26 63 Starter Relay Circuit High 63 Starter Relay Circuit Low 63 Starter Relay Circuit 63 Stalled Starter 27 54 Alternator PWM Signal Error 54 Alternator Circuit Low 54 Alternator Circuit High 28 31 Ignition Coil Primary/Secondary Circuit 31 Max error (SCB) in IGBT Channel with faulty system voltage 29 29 Knock Control System Error 29 Knock Sensor Circuit Low 29 Knock Sensor Circuit Low 29 Knock Sensor Circuit High 29 Knock Sensor Circuit High 30 62 ECM/PCM Power Relay Control Circuit Low 31 72 LambdaToo Lean 72 Lambda Too Rich 72 Lambda Too Lean at Idle 72 LambdaToo Rich at Idle 32 55 A/C Refrigerant Pressure Sensor “A” Circuit Low 55 A/C Refrigerant Pressure Sensor “A” Circuit High Blink Codes Note: - In case of error no. 52, 53, 54 i.e. Temperature Warning Light Fault, the reasons for this error to occur are different (like signal error, short circuit to ground, short circuit to battery). For all the three reasons the error description remains the same & blink code is also same i.e. 43.
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