P0A85 - OBD Trouble Code

<<See All OBD Codes

The trouble code P0A85 can be defined as Hybrid Battery Pack Cooling Fan 1 Control Circuit High. The nickel metal-hydride batteries are used by the HV battery and there is no need of charging externally. The power management control ECU controls the SOC of the HV battery at a constant level while driving. There are 28 modules in the HV battery and every module would consist of eight 1.2 V cells in series. The engine control module, powertrain control module or the transmission control module monitors this circuit depending upon the particular automobile.

We learn more by looking for the answer to a question. That’s the reason why we are here to provide you the answers for all your questions. This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. The specific repair steps can vary as it depends upon the vehicle make and model.

What causes this problem with Hybrid Battery Pack Cooling Fan 1 Control Circuit High?

• There can be distorted battery cooling blower assembly
• Battery cooling blower assembly harness is open or small
• Battery cooling blower assembly circuit might have inadequate electrical connection
• Imperfect integration relay
• Some issues related to the battery smart unit
• Defective power management control ecu

1. Body Control Module Component - The P0A85 code can also arise due to some issues in Body Control Module Component. So, it is advised to replace them as soon as possible.
2. Electronic Control Unit - Do you remember when was the last time you got your car Electronic Control Unit checked up? A damaged Electronic Control Unit can cause a lot of issues like displaying P0A85 code.
3. Integration Relay - Integration Relay is an important car part which should never be neglected. May be there is some fault in it due to which P0A85 code may start flashing.
4. Battery Cooling Blower Assembly - Is your Battery Cooling Blower Assembly damaged or broken? Don’t worry as we have solutions for all your problems.
5. Car Battery - Defective Car Battery can be a major reason why P0A85 code depicts. So, make sure to replace it online so that you don’t have to face any further issues.
6. Cooling Blower Assembly Harness - Everything is okay with the Battery Cooling Blower Assembly and still OBD code P0A85 triggering? Then there must be some defects in Cooling Blower Assembly Harness. Replace them as soon as possible.
7. Hybrid Battery - P0A85 code flashing? Get your Hybrid Battery inspected from a mechanic.
8. Engine Control Module - Engine Control Module is an important auto part. Take care of it and you can rely on us to purchase best quality Engine Control Module online.

Willing to know some common symptoms of OBD Trouble Code P0A85? Your wish is our demand. Have a look at them below:

Common Symptoms

• Appearance of the service engine soon light
• High voltage system might not be working

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0A85:

Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the P0A85 code intake and exhaust valves. The lifters can be collapsed by disengaging an internal locking pin. The locking pin is disengaged using solenoids to alter oil pressure fed into the lifter.

• You must fix the defective battery cooling blower assembly
• Make sure to mend the faulty electronic control unit
• It is essential to restore the flawed battery cooling blower assembly harness
• Repair or replace the quirky battery cooling blower assembly circuit
• Rehabilitate the defaults in the body control module component
• Carefully adjust the faults in the integration relay
• The ECM should be restored to working order
• It is necessary to perform proper service of the unsound battery smart unit

There is no need to be anxious as Parts Avatar – Car Parts Online is here to help you out! We have high grade battery blower, battery cooling fan, battery connectors and a lot more for our precious customers.

If you want to easily diagnose this fault code, then all you have to do is to follow the steps which are mentioned below:

• A careful inspection of the vehicle is carried out by the mechanic with the help of a scanner.
• After this inspection, he will recover every stored code in the vehicle as well as freeze frame data by inserting a scanner to the diagnostic port of the vehicle.
• He will store this information as it may help him with further diagnosis.
• After the codes are recovered, the vehicle is reset, test- driven to check for the occurrence of the error code.
• He will clearly know that an erratic condition has prevailed if the code does not return quickly.
• But if the code returns instantly, he will then start inspecting the transmission fluid for any leaks.
• In some cases, the transmission fluid can be dirty or it can be contaminated.
• The area of leak will be found and fixed. The dirty or contaminated fluid should be replaced with clear fluid.
• Sometimes the fluid may be not be filled at the correct level, which the mechanic will find during diagnosis. Sometimes, the solenoid itself can be defective which has to be checked for any damages.
• After this, the technician will visually inspect every wires, connectors, harness and fuses for any possible damages or defective and repairs them as needed.
• You must always know that once the error code is repaired, it is always the best idea to test drive and check the vehicle if the error code appears again which can help the technician to know the area of fault and as to how the error code occurred in the vehicle.
• This can easily help the mechanic to fix the error code.

Common Mistakes When Diagnosing The P0A85 Code

Common mistakes while diagnosing this trouble code are unnecessary and expensive replacements which usually happen when one doesn’t follow all the steps carefully. In this code usually people replace hybrid battery without even properly diagnosing it.

The most common mistake while diagnosing this code is missing out on diagnosing steps which further leads to the expensive and unnecessary replacements. It is always recommended to seek help of experienced diagnostician to avoid any mistakes.