P067C Buick (Glow Plug 5) Control Circuit Low

P067D Buick (Glow Plug 5) Control Circuit High OBD Code: System: Subsystem:  P067D Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 5) Control Circuit High Location: Analysis: Possible Causes:  Glow Plug 5  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P067D Buick (Glow Plug 5) Control Circuit High

P067E Buick (Glow Plug 6) Control Circuit Low OBD Code: System: Subsystem:  P067E Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 6) Control Circuit Low Location: Analysis: Possible Causes:  Glow Plug 6  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P067E Buick (Glow Plug 6) Control Circuit Low

P067F Buick (Glow Plug 6) Control Circuit High OBD Code: System: Subsystem:  P067F Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 6) Control Circuit High Location: Analysis: Possible Causes:  Glow Plug 6  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P0676 Buick Cylinder 6 Glow Plug Circuit Fault

P0677 Buick Cylinder 7 Glow Plug Circuit Fault Possible causes – Faulty cylinder #7 glow plug– Cylinder #7 glow plug harness is open or shroted– Cylinder #7 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #7…

P0677 Buick Cylinder 7 Glow Plug Circuit Fault

P0678 Buick Cylinder 8 Glow Plug Circuit Fault Possible causes – Faulty cylinder #8 glow plug– Cylinder #8 glow plug harness is open or shroted– Cylinder #8 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #8…

P0678 Buick Cylinder 8 Glow Plug Circuit Fault

P0679 Buick Cylinder 9 Glow Plug Circuit Fault Possible causes – Faulty cylinder #9 glow plug– Cylinder #9 glow plug harness is open or shroted– Cylinder #9 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #9…

P0679 Buick Cylinder 9 Glow Plug Circuit Fault

P067A Buick (Glow Plug 4) Control Circuit Low OBD Code: System: Subsystem:  P067A Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 4) Control Circuit Low Location: Analysis: Possible Causes:  Glow Plug 4  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P067A Buick (Glow Plug 4) Control Circuit Low

P067B Buick (Glow Plug 4) Control Circuit High OBD Code: System: Subsystem:  P067B Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 4) Control Circuit High Location: Analysis: Possible Causes:  Glow Plug 4  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P0672 Buick Cylinder 2 Glow Plug Circuit Fault

P0673 Buick Cylinder 3 Glow Plug Circuit Fault Possible causes – Faulty cylinder #3 glow plug– Cylinder #3 glow plug harness is open or shroted– Cylinder #3 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #3…

P0673 Buick Cylinder 3 Glow Plug Circuit Fault

P0674 Buick Cylinder 4 Glow Plug Circuit Fault Possible causes – Faulty cylinder #4 glow plug– Cylinder #4 glow plug harness is open or shroted– Cylinder #4 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #4…

P0674 Buick Cylinder 4 Glow Plug Circuit Fault

P0675 Buick Cylinder 5 Glow Plug Circuit Fault Possible causes – Faulty cylinder #5 glow plug– Cylinder #5 glow plug harness is open or shroted– Cylinder #5 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #5…

P0675 Buick Cylinder 5 Glow Plug Circuit Fault

P0676 Buick Cylinder 6 Glow Plug Circuit Fault Possible causes – Faulty cylinder #6 glow plug– Cylinder #6 glow plug harness is open or shroted– Cylinder #6 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #6…

P066D Buick (Glow Plug 2) Control Circuit High

P066E Buick (Glow Plug 3) Control Circuit Low OBD Code: System: Subsystem:  P066E Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 3) Control Circuit Low Location: Analysis: Possible Causes:  Glow Plug 3  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P066E Buick (Glow Plug 3) Control Circuit Low

P066F Buick (Glow Plug 3) Control Circuit High OBD Code: System: Subsystem:  P066F Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 3) Control Circuit High Location: Analysis: Possible Causes:  Glow Plug 3  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P066F Buick (Glow Plug 3) Control Circuit High

P0670 Buick Glow Plug Control Module Circuit Fault Possible causes – Faulty Glow Plug Control Module (GPCM)– GPCM harness is open or shorted– GPCM circuit poor electrical connection– Faulty Engine Control Module (ECM) What about the obd code? The Engine Control Module (ECM) has detected a fault on the Glow Plug Control Module (GPCM) control…

P0670 Buick Glow Plug Control Module Circuit Fault

P0671 Buick Cylinder 1 Glow Plug Circuit Fault Possible causes – Faulty cylinder #1 glow plug– Cylinder #1 glow plug harness is open or shroted– Cylinder #1 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #1…

P0671 Buick Cylinder 1 Glow Plug Circuit Fault

P0672 Buick Cylinder 2 Glow Plug Circuit Fault Possible causes – Faulty cylinder #2 glow plug– Cylinder #2 glow plug harness is open or shroted– Cylinder #2 glow plug circuit poor electrical connection– Faulty glow plug module What about the obd code? The Engine Control Module (ECM) has detected a fault in the cylinder #2…

P0668 Buick DME Internal Fault Interior Temperature Sensor Signal

P0669 Buick DME Internal Fault Interior Temperature Sensor Signal Possible causes – Open or shorted interior temperature sensor circuit condition– Poor interior temperature sensor electrical connection– Faulty ECM /TCM Tech description Replace DME as sensor is internal component Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0669 Buick Description PCM/ECM/TCM internal temperature…

P0669 Buick DME Internal Fault Interior Temperature Sensor Signal

P066A Buick (Glow Plug 1) Control Circuit Low OBD Code: System: Subsystem:  P066A Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 1) Control Circuit Low Location: Analysis: Possible Causes:  Glow Plug 1  End of Range – Circuit Lower Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…

P066A Buick (Glow Plug 1) Control Circuit Low

P066B Buick (Glow Plug 1) Control Circuit High OBD Code: System: Subsystem:  P066B Buick – (ASE)  Powertrain  Computer and Auxiliary Output Circuits Trouble Code Description: (Glow Plug 1) Control Circuit High Location: Analysis: Possible Causes:  Glow Plug 1  End of Range – Circuit Higher Than Expected   Tech description: Buick Vehicle:Buick Regal – ?Buick Riviera –…