Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor (HO2S)…
Tag: BUICK
P0133 BUICK HO2S Slow Response Bank 1 Sensor 1
Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank…
P1441 BUICK EVAP System Flow During Non-Purge Condition
Possible causes – Faulty EVAP canister purge solenoid– Faulty Fuel Tank Pressure (FTP) sensor When is the obd code mean? The Powertrain Control Module (PCM) has detected vacuum flow to the Fuel Tank Pressure (FTP) sensor during a system sealed condition. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Possible a noticeable…
U0121 BUICK Lost Communication With Electronic Brake Control Module
Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 BUICK OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial…
U0100 BUICK Lost Communication With Engine Control Module
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 BUICK OBD Code Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications…
P0641 BUICK 5 Volt Reference Voltage Incorrect
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection– Shorted sensor on 5 volt circuit When is the obd code mean? The Engine Control Module (ECM) has detected the sensor 5 volt reference circuit voltage is higher or lower than expected Symptoms – Engine Light…
P1114 BUICK Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1114 BUICK OBD Code Description The Engine Coolant…
P1115 BUICK Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1115 BUICK OBD Code Description The Engine Coolant…
P1116 BUICK Engine Coolant Temperature Sensor Signal Unstable Or Intermittent
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1116 BUICK OBD Code Description The Engine Coolant…
P1117 BUICK Engine Coolant Temp Signal Out-Of-Range Low
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1117 BUICK OBD Code Description The Engine Coolant…