Error Code P0AE5: What It Means & What To Do?

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What causes the P0AE5 error to get stored in the vehicle? Are you looking for this information? Then you are in the right place. Keep reading. The high voltage control module failure arises due to malfunctioning of the hybrid battery recharge contactor control circuit range/performance. With the help of relays, the operation of the high voltage system is controlled by the high voltage control module. If the control module finds 1 or more relays to be damaged, then the P0AE5 error will be stored.

The high voltage power supply circuits will be fixed and removed by the SMR depending on the request from the HV control ECU. 3 relays will be found in the vehicle to make sure that the operation is proper- 2 for positive and 1 for negative. To attach, initially turn on SMR1 and SMR3. Then you must turn off SMR1 and then turn on SMR2 simultaneously as this process can help to avoid the high voltage flow current by sending the expected current through the resistor. The HV control CU will make sure that the relay is turned off correctly. The correct operation of the SMRs (CON1, CON2 and CON3) is carefully noted by the HV control ECU to see if any malfunctions occur.

What causes this problem with the Hybrid Battery Precharge Contactor Control Circuit Range/Performance?

• The system main relay might seem to be defective.
• You might find an opening in the system main relay harness or the circuit might be shorted.
• The electrical connection might be poor in the system main relay.
• Malfunctioning HV control ECU

1. Engine Control Module - Is the performance of the engine very poor? Does your engine keep stalling very often? Then the ECM might be faulty which needs replacement as soon as possible.
2. Powertrain Control Module - The PCM regulates important functions of the vehicle as well as it has a direct impact on how well your vehicle performs. Fixing your faulty powertrain control module (PCM) will help your engine to run smoothly.
3. Battery Relay - Looking for the right battery relay for your vehicle. Then stop looking elsewhere and shop them at Parts Avatar.
4. Battery Relay Harness - A damaged or broken battery relay harness can cause malfunctioning of the vehicle. Replace or fix them as quickly as possible to avoid further troubles.
5. Engine Control Unit - The engine control unit can turn out to be faulty, if the check engine light keeps blinking very often. Change it quickly by getting a new one from Parts Avatar to avoid the P0AE5 error.

Willing to know some common symptoms of OBD Code P0AE5? Your wish is our demand. Have a look at them below:

Common Symptoms

• High fuel consumption.
• Possible symptoms of a misfire.
• Blinking of the engine light as well as the warning light of the service engine.
• Reduced engine performance

We have listed out some ways which would help you to correct the occurrence of OBD Code P0AE5. They are mentioned here as follows:

• Replacing the damaged battery relay.
• The corroded battery cables need replacement.

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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 reliable OBD-II scanner (or code reader) and a digital volt/ohmmeter can prove to be highly helpful to carry out this diagnostic procedure.
• Visually check every wires and connector. Fix the defective, detached or shorted wires, connectors, and other parts as necessary
• Recheck the system after every repair to make sure the diagnosis is successful.
• Clear the error codes and check again to see if the error appears.
• This can help you to know if there is any erratic signal stored in the vehicle.
• As a very step the mechanic will use a scanner to check for the trouble code that is stored in the vehicle and he will try to recover every of the freeze frame data.
• You will hear banging and grouching noises due to the engine mountings that are broken.
• There are usually 2 types of mounting - one is placed centrally, very near to the bottom of the block and the other one is placed a little high, on the inner side of the wings or chassis members.
• In P0AE5 error code, the vehicle which is electronically controlled with the help of automatic transmission, the 3-4 shift solenoids that are present inside is accountable for actuating the hydraulic circuits to start the clutches or bands so that it can change the gear inside the automatic transmission.

Common Mistakes When Diagnosing the P0AE5 Code

• Damaged auxiliary 12V battery.
• An issue might arise due to faulty wires.
• Malfunctioning high voltage system relay.
• High voltage control module might be malfunctioning