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How to Interpret the P0700 Trouble Code?

1 Answers

KaiFitz

07/25/25 9:58am

P0700 trouble code, applicable to all car manufacturers, means Transmission Control System Malfunction (MIL Request). Solution: The appearance of this trouble code indicates a problem with the transmission. If there is an issue with the transmission, it is recommended to promptly visit a 4S shop for inspection and repair. Additional Information: 1. The Transmission Control Module (TCM or TCU) helps the transmission decide when and how to shift gears by collecting information from various sensors and the Engine Control Module, thereby improving vehicle performance, ensuring smooth gear shifts, and saving fuel consumption. 2. The Malfunction Indicator Lamp (MIL), also known as the Check Engine Light, illuminates a yellow or red engine symbol on the dashboard when the control module detects a fault. This trouble code indicates that the Powertrain Control Module (ECU) has received a request from the Transmission Control System (TCU) to illuminate the Malfunction Indicator Lamp.

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