P0946

2017-10-10

Description:

  • The fault code P0946 indicates a range/performance issue in the hydraulic pump relay control circuit. This means that the circuit is not operating within the expected parameters, potentially affecting the performance or reliability of the hydraulic pump relay.

Possible Symptoms:

  • Check Engine Light illuminated

  • Malfunction or abnormal operation of the hydraulic pump

  • Inconsistent or poor performance of the hydraulic system

  • Loss of hydraulic pressure or functionality

Possible Causes:

  • Faulty hydraulic pump relay

  • Damaged or corroded wiring or connectors in the circuit

  • Faulty hydraulic pump relay control module

  • Issues with the vehicle's power supply or voltage regulation

Related Parts:

  • Hydraulic Pump Relay: Hydraulic pump relay engages the pump when the gear is running. This car's relay has a problem which may cause difficulty in shifting gears

Possible Solutions:

  • Inspect and replace the faulty hydraulic pump relay if necessary

  • Check for any damaged or corroded wiring or connectors in the circuit and repair as needed

  • Test the hydraulic pump relay control module and replace if necessary

  • Verify the vehicle's power supply and voltage regulation are within specifications

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