What does code P0947 mean?

Q: What does code P0947 mean?

Hydraulic Pump Relay Circuit Low. P0947 indicates that the powertrain control module (PCM) has detected an abnormally low voltage condition on the hydraulic pump relay control circuit, which is used to engage the relay that powers the hydraulic pump. This low voltage can prevent the relay from energizing, potentially disabling the hydraulic pump and affecting systems that rely on hydraulic pressure, such as the transmission or power steering.

DTC codes / P09xx · Transmission / P0947

P0947Hydraulic Pump Relay Circuit Low

P0947 indicates that the powertrain control module (PCM) has detected an abnormally low voltage condition on the hydraulic pump relay control circuit, which is used to engage the relay that powers the hydraulic pump. This low voltage can prevent the relay from energizing, potentially disabling the hydraulic pump and affecting systems that rely on hydraulic pressure, such as the transmission or power steering.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.