P0A18 OBD-II: Motor Torque Sensor Circuit Range/Performance
P0A18 Severity
Should you fix P0A18 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 P0A18?
The engine computer (PCM) monitors the amount of power the hybrid transaxle (motor/transmission assembly) produces. If the PCM does not receive a signal, code P0A18 will be stored. The Motor Torque Sensor is internal to the hybrid transaxle assembly.
OBD II Fault Code
- OBD II P0A18
OBD-II Code High voltage system may not operate is defined as a Motor Torque Sensor Circuit Range/Performance
The engine computer (PCM) monitors the amount of power the hybrid transaxle (motor/transmission assembly) produces. If the PCM does not receive a signal, code P0A18 will be stored. The Motor Torque Sensor is internal to the hybrid transaxle assembly.
High voltage system may not operate Symptoms
- High voltage system may not operate
- Vehicle will not operate
Common Problems That Trigger the P0A18 Code
- Hybrid transaxle assembly failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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