Guide To P06AE OBD Error Code Solutions

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P06AE is defined as PCM/ECM/TCM Internal Temperature Sensor "B" Circuit High. This is an OBD-II Code Transmission Control Module (TCM) failure. The reason why it’s babelled as ‘failure’ is because the TCM sets this code when its internal sensor records abnormal temperature of the connected modules upon start-up. It stops completely, and hence fails to perform.

The control solenoid has a built-in TCM temperature sensor, this sensor is responsible for detecting any over temperature situations occurring in the Transmission Control Module (TCM). When the TCM is in such a condition, it shuts down to protect itself from heat damage. When the condition is resolved, the TCM switches itself back on.

What causes this problem with the PCM/ECM/TCM Internal Temperature Sensor "B" Circuit High?

• Presence of corroded or damaged connector
• presence of loose or damaged control module ground straps
• Wiring not working because of damages
• Defects in the PCM, ECM, or Transmission control solenoid

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We at Parts Avatar Canada care for our customers, and that’s why we will help you to diagnose P06AE code by listing out some major symptoms. They are mentioned below as follows:

Common Symptoms

• Engine shows problem with starting
• Engine starts but the stalls
• Shifting is improper
• Transmission warning lamp is on
• Check engine light is on

Learn the ways with which you can correct this P06AE trouble code, we have noted down few for you:

• Cleaning the corrosion from connectors thoroughly
• Repairing or replacing faulty wiring as needed
• Repairing or replacing faulty ground straps if they are damaged
• Flashing or replacing the PCM, ECM or TCM with superior quality replacements

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It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P06AE code to be stored:

Start off by researching your vehicle's specific technical Service Bulletins (TSBs) for troubleshooting procedures. For this you will have to first get all information regarding your vehicle, the year of manufacture, model type and other specifications. Match them to the symptoms listed in the TSB and only then consider those diagnostic/ technical procedures viable for you.

Now, referring the TSB and locate all the control modules within this circuit system to perform a thorough visual inspection. Start your inspection from the wiring, carefully look for any obvious defects like; scraping, burn spots, open wires or shorted wires, rubbing etc. Once done with observing the wires, move on to the ground wires and ground straps. You will have to repair and replace them properly before proceeding further with diagnosis.

It is now checking the turn of the connectors. Observe them carefully, you may notice they aren’t as secure, or there’s presence of corrosion, or even damaged pins. These will have to be repaired and replaced as per the extent of damage. Replacing with new ones may save you future issues, as these parts are in use all the time and go through plenty wear and tear. Again, this will depend on how old your vehicle is and how much usage it has gone through.

Ensure you include the PCM, ECM and the TCM also in this checking process. You can find all the technical data in your vehicles TSB, so that you can match the configurations. Do as per need and see how things ago. Accordingly, you may have to repair the PCM, ECM or TCM. If repairing isn't an option, then replace them. New modules will be big expenses and require a professional to do programming, so don’t compromise on quality and ensure you take help from a trained mechanic for installation.

Common Mistakes When Diagnosing the P06AE Code

• Internal failure of the transmission to function
• Transmission Control Module (TCM) failed
• Transmission fluid level is lower than usual