Does the Dongfeng Nissan P0846 fault need to be repaired?
2 Answers
Dongfeng Nissan P0846 fault needs to be repaired. The P0846 fault is a transmission pressure sensor fault, and the transmission valve body needs to be replaced. The symptoms of a damaged transmission valve body are: 1. After the transmission fails, the computer can detect it, the fault light will turn on to alert, and it will enter the lock gear state, which is the protection mode; 2. The transmission oil temperature is too high, causing the transmission to jerk. Taking the Tiida 2021 1.6L Manual Ledong Edition as an example: The manufacturer of this car is Dongfeng Nissan, the level is a compact car, the intake form is naturally aspirated, the maximum horsepower is 122ps, the maximum torque is 155nm, the transmission is a 5-speed manual, and the body type is a 5-door, 5-seat hatchback.
I've been driving a Dongfeng Nissan for several years and have quite some experience with the P0846 fault code. It's a warning code from the transmission control system, mainly caused by issues with the oil pressure sensor or its circuit. If left unrepaired, it may lead to jerky gear shifts, sluggish acceleration, or even dangerous sudden gear jams on highways. I remember a friend's car had this warning light ignored last time, resulting in transmission overheating damage and eventually costing over 5,000 yuan to repair the valve body unit. Safety comes first, especially when traveling with family. Don't take the risk. I recommend going to a 4S shop for inspection as soon as possible. If it's a minor issue like a loose sensor or aged wiring, the repair could cost just a few hundred yuan. Delaying will only increase risks and repair costs.
