P0135 VOLKSWAGEN HO2S11 Sensor Heater Circuit

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description The…

P0031 VOLKSWAGEN HO2S Heater Control Circuit Low Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…

P0821 VOLKSWAGEN Gear Lever X Position Circuit

Possible causes – Faulty Gear Lever X Position Sensor– Gear Lever X Position Sensor harness is open or shorted– Gear Lever X Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0820 VOLKSWAGEN Gear Lever X-Y Position Sensor Circuit

Possible causes – Faulty Gear Lever X-Y Position Sensor– Gear Lever X-Y Position Sensor harness is open or shorted– Gear Lever X-Y Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0822 VOLKSWAGEN Gear Lever Y Position Circuit

Possible causes – Faulty Gear Lever Y Position Sensor– Gear Lever Y Position Sensor harness is open or shorted– Gear Lever Y Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0670 VOLKSWAGEN 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) When is the obd code mean? The Engine Control Module (ECM) has detected a fault on the Glow Plug Control Module (GPCM) control circuit Symptoms – Engine Light ON (or…

P0684 VOLKSWAGEN Glow Plug Control Module- Implausible Signal

Possible causes – Faulty Glow Plug Control Module (GPCM)– GPCM harness is open or shorted– GPCM circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of Power– The engine may be harder to start– Engine hesitation

P0380 VOLKSWAGEN Glow Plug/Heater Circuit A Malfunction

Possible causes – Faulty Glow Plug– Glow Plug harness is open or shorted– Glow Plug circuit poor electrical connection When is the obd code mean? – The glow plugs are commanded OFF and the glow plug feedback is more than 2 volts. or– The glow plugs are commanded on and the glow plug feedback is…

P0381 VOLKSWAGEN Glow Plug/Heater Indicator Circuit Malfunction

Possible causes – Faulty Glow Plug– Glow Plug harness is open or shorted– Glow Plug circuit poor electrical connection When is the obd code mean? – The glow plugs are commanded OFF and the glow plug feedback is more than 2 volts. or– The glow plugs are commanded on and the glow plug feedback is…

P0087 VOLKSWAGEN Fuel Rail/System Pressure Too Low

Possible causes – Faulty fuel pressure sensor– Faulty fuel pump– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Blocked fuel filter– Fuel line restricted– Faulty fuel pressure regulator Tech description There is a service bulletin for the following Volkswagen vehicles: Volkswagen Eos 2006-2007Volkswagen GTI 2006-2007Volkswagen Jetta 2005-2007Volkswagen Passat…