Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0053 GMC OBD Code Description The heated oxygen sensor (HO2S)…
Tag: GMC
P0054 GMC HO2S Heater Resistance Bank 1 Sensor 2
Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0054 GMC OBD Code Description The heated oxygen sensor (HO2S)…
P0146 GMC O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3
Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care of the problem When is the obd code mean? Current amperage…
P1134 GMC HO2S Transition Time Ratio Bank 1 Sensor 1
Possible causes – Faulty HO2S Bank 1 Sensor 1– HO2S Bank 1 Sensor 1 harness is open or shorted– HO2S Bank 1 Sensor 1 circuit poor electrical connection When is the obd code mean? The P1134 is sets if the Powertrain Control Module (PCM) detects the HO2S ratio is not within range. Symptoms – Engine…
P0038 GMC HO2S12 Heater Control Circuit High Voltage
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description The code…
P0155 GMC HO2S Heater Performance Bank 2 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine Control Module (ECM) Tech…
P0050 GMC HO2S Heater Control Circuit Bank 2 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 fuse– Faulty Engine Control Module (ECM) Tech description The code means…
P0051 GMC HO2S Heater Control Circuit Low Bank 2 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 fuse– Faulty Engine Control Module (ECM) Tech description The code means…
P1133 GMC HO2S Insufficient Switching Bank 1 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1– Vacuum leak– Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness is open or shorted– Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 circuit poor electrical connection When is the obd code mean? If the Powertrain Control Module (PCM) determines that…
P0093 GMC Fuel System Leak Detected Large Leak
Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure solenoid– Faulty Fuel injector Tech description There is a factory service bulletin for the P0093 Code 2001-2004 GMC Sierra2003-2004 GMC Topkick C4500/C5500 SeriesGMC Factor Service Bulletin OBDII Code P0093 or P1093 2001-2004 GMC Sierra2003-2004 GMC Topkick C4500/C5500 SeriesGMC Factor Service Bulletin OBDII Code…