P1389 Proton Perdana OBD Code

OBD/2 P1389 error code description and symptoms.

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code P1389

Circuit High Input codes like P1389 are mostly caused by defective alternators that develop excessive voltages, although there may be other causes as well, such as short circuits that 'leak' current into a particular system from other, unrelated systems that work on higher voltages. Note that in the case of short circuits that leak power into a control circuit, there is likely to be other, seemingly unrelated trouble codes present along with the code(s) being investigated. Diagnosing a 'high input' code will always involve a thorough testing of the charging system as a first step, followed by measures to isolate the system from all other possible sources of power during resistance, continuity, and reference voltage tests.

P1389 Proton Perdana Error Code Repair Process :

If your vehicle failed a P1389 test and the P1389 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses p1389 glow plug circuit high side low input a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look p1389 glow plug circuit high side low input: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

Difficulty Level (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 70-220

Common Causes of Proton Perdana P1389 OBD2 Code

A common cause of code P1389 is the failure of P1389 Glow Plug Circuit High Side Low Input, but there are several other possible causes as well, such as ;

• Continuous oil flow to the VCT piston chamber
• Erratic camshaft position due to low oil pressure
• Fuel tank leaking
• Erratic camshaft position due to low oil pressure

P1389 is a kind of Powertrain Trouble Code Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

P1389 code for other Proton cars

You can view according P1389 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• P1389 Proto Spirra
• P1389 Proton 300
• P1389 Proton 400
• P1389 Proton Arena
• P1389 Proton Gen
• P1389 Proton Gen2
• P1389 Proton Impian
• P1389 Proton Inspira
• P1389 Proton Juara
• P1389 Proton Persona
• P1389 Proton Preve
• P1389 Proton Putra
• P1389 Proton Saga Flx
• P1389 Proton Saloon
• P1389 Proton Satria
• P1389 Proton Savvy
• P1389 Proton Tiara
• P1389 Proton Waja
• P1389 Proton Wira

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