P0356 BUICK Ignition Coil 6 Control Circuit

Possible causes – Faulty Ignition Coil 6– Ignition Coil 6 harness is open or shorted– Ignition Coil 6 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? Each ignition circuit is continuously monitored by the Powertrain Control Module (PCM). The test fails when the PCM does not receive a…

P0357 BUICK Ignition Coil 7 Control Circuit

Possible causes – Faulty Ignition Coil 7– Ignition Coil 7 harness is open or shorted– Ignition Coil 7 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? Each ignition circuit is continuously monitored by the Powertrain Control Module (PCM). The test fails when the PCM does not receive a…

P0358 BUICK Ignition Coil 8 Control Circuit

Possible causes – Faulty Ignition Coil 8– Ignition Coil 8 harness is open or shorted– Ignition Coil 8 circuit poor electrical connection– Faulty Powertrain Control Module (PCM) When is the obd code mean? Each ignition circuit is continuously monitored by the Powertrain Control Module (PCM). The test fails when the PCM does not receive a…

B1380 BUICK Device Ignition Accessory Circuit Open

Possible causes – Faulty Ignition Switch– Ignition Switch harness is open or shorted– Ignition Switch circuit poor electrical connection When is the obd code mean? Whne the BCM detects a short to ground in the circuit or a short to battery or an open in the circuit when the switch is in the OFF position….

P1134 BUICK 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…

P1137 BUICK HO2S Bank 1 Sensor 2 Lean Or Low Voltage

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1138 BUICK HO2S Bank 1 Sensor 2 Rich Or High Voltage

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1140 BUICK HO2S Transition Time Ratio Bank 1 Sensor 2

Possible causes – Faulty HO2S Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)