What is the P0702 fault number? Transmission Control System What is an electrical fault description? How do you fix the P0702 fault code What are the causes and symptoms of the P0702 error code?
What is the P0702 fault code? What does it all mean?
A P0702 code indicates that your vehicle’s powertrain control module (PCM), has detected an issue in the automatic transmission controller system. Similar fault codes are: P0700, P0701.
When the PCM detects an abnormal voltage signal in any of the automatic transmission control systems-related sensors, solenoids or switches, a code P0702 will be triggered. It means that something is wrong in the electrical system controlling the automatic transmission.
This code can only be used on automatic transmission vehicles. Some vehicles have their transmission control integrated in the PCM. Others have a standalone module (TCM). This code is not valid for manual transmission vehicles. It means that the PCM has been incorrectly programmed.
There are many vehicles that fall prey to the P0702 fault code, including models from Honda, Mazda Mercedes, Jeeps, Nissan, Volkswagen, and Ford.
What causes the P0702 Fault code?
Here are some reasons why P0702 should be set.
- – Defective transmission sensor
- – Transmission control system: Open or short circuit
- – Cables that are damaged or missing connectors
- – Defective transmission control module
- – Defective shift solenoid
- – Incorrectly or defectively programmed PCM
What are the symptoms for P0702 Malfunction Codes?
You may experience the following symptoms if your vehicle has the code P0702.
- – Illumination for the check engine light
- – PCM places the tool into safe mode (Limp Mod)
- – Abnormal shifting – higher-than-normal RPM before shifting
- – Delayed gear changes
- Transmission does not change gears
- – Increased fuel use
- – Gearbox slip
- – The gearbox is overheated
- – Engine stalling while decelerating
- – Set other transmission related fault code
How do I fix the P0702 fault code?
Before trying to fix this code, a mechanic will need to repair any other transmission-related problem codes. This code often appears alongside other transmission-related codes.
- All damaged cables, connectors and components must be replaced or repaired.
- – Repair of all short and open circuits within the transmission control system
- – Complete overhaul and rebuild of the gearbox
- If the transmission has become too damaged from low fluid conditions, you can replace the torque converter.
- – It is necessary to replace a faulty hydraulic pump.
- – Replace the defective transmission sensor
- – Repair of gearbox mechanical problems
- – Replacing faulty solenods or switches
- If your vehicle has a manual transmission, you can replace the PCM or reprogram it.
How serious is the P0702 Fault code?
The severity of the P0702 error code depends on the reason for the malfunction. The PCM will give you more details about the reason for the error. The fault may not be apparent if the vehicle is being driven. It is possible to have serious problems with your vehicle’s gears if they are not smooth or uneven.
