P0840 — Transmission Fluid Pressure Sensor/Switch 'A' Circuit

Q: What does fault code P0840 mean?

P0840 means: Transmission Fluid Pressure Sensor/Switch 'A' Circuit. It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P0840?

With P0840 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

Transmission Fluid Pressure Sensor/Switch 'A' Circuit

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Can I drive with P0840?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P0840 mean?

P0840 means Transmission Fluid Pressure Sensor/Switch 'A' Circuit.

Can I keep driving with P0840?

You can usually drive home and book an inspection within a few days.

Related fault codes

P0841 — Transmission Fluid Pressure Sensor/Switch 'A' Circuit Range/Performance
P0842 — Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low
P0843 — Transmission Fluid Pressure Sensor/Switch 'A' Circuit High
P0844 — Transmission Fluid Pressure Sensor/Switch 'A' Circuit Intermittent
P0845 — Transmission Fluid Pressure Sensor/Switch 'B' Circuit
P0846 — Transmission Fluid Pressure Sensor/Switch 'B' Circuit Performance or Stuck Off
P0847 — Transmission Fluid Pressure Sensor/Switch 'B' Circuit Low
P0848 — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
P0849 — Transmission Fluid Pressure Sensor/Switch 'B' Circuit Intermittent

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