P3400 Cylinder Deactivation System Performance Possible causes – Faulty Cylinder Deactivation Solenoid– Cylinder Deactivation Solenoid harness is open or shorted– Cylinder Deactivation Solenoid circuit poor electrical connection What about the obd code? The control module detects that the actual measured values from the MAF sensor, MAP sensor, and TP sensor, is not within the range…
Category: OBDii Powertrain Codes
P3081 Engine Temperature Too Low
P3081 Engine Temperature Too Low Possible causes – Engine low on coolant– Faulty thermostat– Faulty Engine Coolant Temperature (ECT) Sensor– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection Tech description 2004 Jetta User Submitted Video Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P2BAB NOx Exceedence – Incorrect EGR Flow
P2BAB NOx Exceedence – Incorrect EGR Flow
P2BAC NOx Exceedence – Deactivation of EGR
P2BAC NOx Exceedence – Deactivation of EGR
P2BAD NOx Exceedence – Root Cause Unknown
P2BAD NOx Exceedence – Root Cause Unknown
P2BAE NOx Exceedence – NOx control monitoring system
P2BAE NOx Exceedence – NOx control monitoring system
P2A11 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3)
P2A11 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2A11 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor Tech description:
P2BA7 NOx Exceedence – Empty Reagent Tank
P2BA7 NOx Exceedence – Empty Reagent Tank P2BA7 Information for specific makes P2BA7
P2BA8 NOx Exceedence – Interruption of Reagent Dosing Activity
P2BA8 NOx Exceedence – Interruption of Reagent Dosing Activity
P2BA9 NOx Exceedence – Insufficient Reagent Quality
P2BA9 NOx Exceedence – Insufficient Reagent Quality
P2BAA NOx Exceedence – Low Reagent Consumption
P2BAA NOx Exceedence – Low Reagent Consumption
P2A06 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1)
P2A06 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1) OBD Code: System: Subsystem: P2A06 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 1 Tech description:
P2A07 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2)
P2A07 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2A07 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 2 Tech description:
P2A08 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3)
P2A08 Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3) OBD Code: System: Subsystem: P2A08 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 1 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 3 Tech description:
P2A09 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1)
P2A09 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1) OBD Code: System: Subsystem: P2A09 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 1) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 1 Tech description:
P2A10 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2)
P2A10 Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2) OBD Code: System: Subsystem: P2A10 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Negative Voltage (Bank 2 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor 2 Tech description:
P2A05 Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3)
P2A05 Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3) OBD Code: System: Subsystem: P2A05 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 2 – Sensor Out of Expected Range Tech description:
P2A01 Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2)
P2A01 Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2) OBD Code: System: Subsystem: P2A01 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 2) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 2 Out of Expected Range Tech description:
P2A02 Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 3)
P2A02 Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 3) OBD Code: System: Subsystem: P2A02 – (ASE) Powertrain — Trouble Code Description: Oxygen (O2) Sensor Circuit Range / Performance (Bank 1 – Sensor 3) Location: Analysis: Possible Causes: Oxygen Sensor – Bank 1 – Sensor 3 Out of Expected Range Tech description:
P2A03 Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 1)
P2A03 Oxygen (O2) Sensor Circuit Range / Performance (Bank 2 – Sensor 1) Possible causes – Air Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open or shorted– Air Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection– Fuel pressure– Fuel…