P0ACD - OBD Trouble Code

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The trouble code P0ACD can be described as Hybrid Battery Temperature Sensor “C” Circuit High. By using multiple sensors, the hybrid battery pack will observe the temperature of each battery cell. The P0ACD error will be set if at least one of the battery temperature sensors finds an unlikely temperature. If the failure of multiple sensors occurs, then the high voltage system will be disabled.

The battery temperature sensor is made available in 3 locations of the HV battery. Based on the changes in the HV battery temperature, the thermistor’s resistance that is built in each battery temperature sensor will vary. Higher the resistance of the thermistor, lower will be the temperature of the battery. On the other hand, if the resistance is low, the temperature will go high. The battery temperature sensor is utilized by the battery small unit to find the temperature of the HV battery. After this, the value that is noticed is sent to the power management control ECU. The power management control ECU will then operate the blower fan depending on the results of detection.

What causes this problem with the Hybrid Battery Temperature Sensor “C” Circuit High?

• Defaults in the HV battery assembly
• HV battery assembly harness might be opened or shorted
• HV battery assembly circuit might have poor electrical connection
• Battery smart unit might be flawed

1. Engine Control Module - Is your car engine light still staying ON after resetting or your car engine is turning off for no reason? Then these are some common symptoms indicating that your car engine control module is defective.
2. Hybrid Battery - Faulty hybrid battery may overheat or discharge quickly, causing drivability issues. It can affect the acceleration and throttle response and can also cause damage to various parts. Replace the faulty hybrid battery now!
3. Powertrain Control Module - The PCM works as the central computer system in an automobile’s mechanism. This auto part is in charge of all the constituents as well as the functions performed by them. Having such enormous importance in the operation of all the parts means that any defect in it will affect almost every aspect of a car.
4. Electronic Control Unit - The ECU is a major component of your car's onboard computer. It's used to regulate many systems and subsystems in your car's engine, drive train and other major components. Visit us to buy best quality ECU online.
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6. Battery Temperature Sensor - Faulty temperature sensor can misinterpret the battery temperatures which can result in battery overheating and leakages inside the battery that can harm various components and can be dangerous to driver’s safety also. Thus, replace it at first instance.

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0ACD code by mentioning some major symptoms below:

Common Symptoms

• Illumination in the service engine soon light

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 P0ACD:

• It is essential to restore the flawed battery smart unit
• Repair or replace the quirky HV battery assembly circuit
• Rehabilitate the defaults in the ECM
• The malfunctioning HV battery assembly should be repaired or replaced as per the need
• The HV battery assembly harness should be restored to working order

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Here are some steps which you should follow in order to diagnose this fault code:

• Check for wires and connectors that might be rubbed through, disconnected or loose. It is also important to check the fuse box in your vehicle together with the relay centre that can be found under the hood.
• It is also important to make sure that the fuses are good. Make sure that there is no melted plastic that can cause fire.
• These are some of the major wiring problems that you will encounter with error code P0ACD.
• Carefully inspect the hybrid battery temperature sensor "C" circuit and make sure to repair or replace it if found faulty.
• Once you have completely checked all the obvious things and still you can’t find the right solution, then you have to begin suspecting either the computer or the sensor.

Common Mistakes When Diagnosing The P0ACD Code

• Defaults in the high voltage battery assembly
• A lot of mechanics might not come to know that there are faults in the high voltage battery interface control module
• Some issues related to the wiring