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P001A OBD Error Code: Problem & Solutions

OBD Code P001A - "A" Camshaft Profile Control Circuit/Open Bank 1

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Are you facing some issues with your engine oil because it is contaminated? Saw some faults in the camshaft sensor? Or is the wiring of the camshaft or crankshaft sensors showing some faults? If the answer to all these questions is a YES, then your vehicle is definitely facing Camshaft Profile Control Circuit issue or we can also say that it has OBD P001A error. If there is malfunctioning with the camshaft and crankshaft signals, then the P001A error would start indicating.

Learn More About OBD Error Code P001A

If the PCM notices some sort of lack in the synchronization between the camshaft and crankshaft, then the P001A OBD generic code would start appearing. We are well aware that a camshaft manages the gas which an engine needs inside its cylinder, then any sort of issues with the valves may cause some serious problems. The fuel in the cylinders is brought up by the engine using intake valves.

What causes this problem with the Camshaft Profile Control Circuit?

  • There may be lack of engine oil

  • A person may be using incorrect engine oil

  • The engine oil can be contaminated

  • There can be chances that the engine may not be timed properly

  • The timing chain/belt can be damaged or stretched

  • There can be some faults in camshaft sensor

  • The crankshaft sensor may appear faulty

  • The wiring of the camshaft or crankshaft sensors can show some faults

  • You might face some problems with the Pcm (Powertrain Control Module)

  • Stuck Valve

  • Faults in 'A' Camshaft Position Sensor Bank 1

  • The harness of 'A' Camshaft Position Sensor Bank 1 can be open or shorted

  • Bad electrical connection with 'A' Camshaft Position Sensor Bank 1 Circuit

  • Issues with the engine timing

Replace/Repair These Parts To Fix Code P001A

  1. Timing Belt - Are you facing OBD error P001A code? You can always get this issue resolved with new timing belt. Purchase top notch timing belt from us at best prices.
  2. Timing Chain - Common cause behind this P005A error code can be some fault in timing belt. So, it will be a good decision to replace them now.
  3. Timing Belt Tensioner - The timing belt tensioner can be damaged or stretched, so you must get it repaired or replaced at time.
  4. Crankshaft Sensor - There are some chances that the crankshaft sensor may appear faulty and due to that P001A code may come. So, it better not to take any risk as you can always purchase brand new crankshaft sensor online with us.
  5. Crankshaft Sensor Harness - Facing issues with crankshaft sensor harness? Buy new crankshaft sensor harness and get rid of this issue.
  6. Powertrain Control Module - May be your timing belt is good and there are some issues with the powertrain control module. Then don’t waste time and purchase best powertrain control module with us.
  7. Camshaft Sensor - Faults in 'A' Camshaft Position Sensor Bank 1 can be the reason why OBD Code P001A is coming again and again. Replace it as soon as you can.
  8. Camshaft Sensor Harness - The harness of 'A' Camshaft Position Sensor Bank 1 can be open or shorted. This can be a big reason why P001A error code depicts.
  9. Diagnostic Tool - In order to be that DIY guy, you need to few diagnostic tools to get your car problems pointed out easily. Our diagnostic tools collection will come handy to do so, So why not have a look?

Symptoms Of The OBD Error Code P001A

We at Parts Avatar Canada care for our customers, and that’s why we will help you to diagnose P001A code by listing some important symptoms like bad running engine, decrease in the power of engine and many more. Have a look at them below:

Common Symptoms

  • An illumination in check engine light

  • Loss of power in engine

  • Increase in the consumption of fuel

  • Abnormal response by throttle

  • Bad drivability

  • The overall fuel Economy gets reduced

  • There is an overall reduction in efficiency

  • The power bands can be altered

How To Correct "A" Camshaft Profile Control Circuit/Open Bank 1 Issue

Here are some ways with the help of which P001A code can be addressed:

  • Always make sure that there is good amount of clean oil in the engine

  • Check if the engine oil has proper oil specifications or not

  • If the timing belt/chain and tensioner are stretched, the it should be replaced

  • The camshaft sensor should be replaced

  • Substitute the crankshaft sensor

  • The faulty wiring to the camshaft or crankshaft sensors should be repaired or replaced

  • The Pcm (Powertrain Control Module) should be replaced

  • Restore the stuck valve


However, if you face any issues then visit us at PARTSAVATAR CAR PARTS, CANADA. We have great range of best priced Electronic Control Unit, Crankshaft, Powertrain Control Module and a lot more to help you out in fixing your car with ease.

Easy Diagnosis Of Engine Error OBD Code P001A

An OBD-li Scanner is used by the technicians to diagnose the P001A code. They make sure that the code is present and at the same time look for other codes as well as there can be some signs of some other issue. The freeze frame data is used and the codes are carefully cleared up before retesting them to check if P001A code appears or not. It is very important to visually inspect all the connections as well as wiring so that there are no open, shorts, some sort of corrosion or disconnections. If any problem is diagnosed, then they will make necessary repairs. Then the next step is to test the camshaft sensor and circuitry, and for that a scanner as well as a digital Ohmmeter is used. One can also test the timing chain or belt as there is no harm in this.

Common Mistakes When Diagnosing The P001A Code

  • There might be some failure with the camshaft variable timing solenoid

  • The engine oil may not meet the manufacturer's requirements

  • Failure with the variable valve timing actuator

  • The overall level of the engine oil may be too low

Other Diagnostic Codes Related To OBD Code P001A

P001B - "A" Camshaft Profile Control Circuit Low Bank 1

P001C - "A" Camshaft Profile Control Circuit High Bank 1

P001D - "A" Camshaft Profile Control Circuit/Open Bank 2

P001E - "A" Camshaft Profile Control Circuit Low Bank 2

P001F - "A" Camshaft Profile Control Circuit High Bank 2