P079E OBD-II: Transmission Friction Element "E" Slip Detected
P079E Severity
Should you fix P079E yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P079E?
The Hybrid Control Module monitors the transmission clutches for slippage. If the Control Module detects any slippage when the fifth clutch is activated code P079E will be set. The hybrid control module may also place the vehicle in "limp home", limiting available engine/transmission performance to prevent additional damage.
OBD II Fault Code
- OBD II P079E
OBD-II Code Transmission may not shift properly is defined as a Transmission Friction Element "E" Slip Detected
The Hybrid Control Module monitors the transmission clutches for slippage. If the Control Module detects any slippage when the fifth clutch is activated code P079E will be set. The hybrid control module may also place the vehicle in "limp home", limiting available engine/transmission performance to prevent additional damage.
Transmission may not shift properly Symptoms
- Engine may enter limp home mode (reduced performance)
- Transmission may not shift properly
Common Problems That Trigger the P079E Code
- Internal transmission failure
- Transmission fluid level is low
- Transmission valve body solenoid failure
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