OBD Guide

P0947

Hydraulic Pump Relay/Control Circuit Low

P0947 is an OBD-II diagnostic trouble code meaning: Hydraulic Pump Relay/Control Circuit Low. Common causes: faulty hydraulic pump relay, open or short circuit in control circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Problems with power steering
  • Hydraulic pump does not turn on
  • Check engine light comes on
  • Unstable operation of the hydraulic system

Causes

  • Faulty hydraulic pump relay
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Control unit malfunction
  • Circuit fuse problems

How to Fix

  1. Check the condition of the hydraulic pump relay
  2. Inspect the control circuit for damage
  3. Check contacts in connectors
  4. Test the control unit
  5. Replace fuse if necessary

Related codes

Error P0947 by Vehicle Brand

FAQ

What does the P0947 code mean?

P0947 is an OBD-II diagnostic trouble code that indicates: Hydraulic Pump Relay/Control Circuit Low

What causes a P0947 error code?

The most common causes of P0947 include: Faulty hydraulic pump relay; Open or short circuit in control circuit; Poor contact in connectors; Control unit malfunction.

How do I fix a P0947 diagnostic trouble code?

To fix P0947: Check the condition of the hydraulic pump relay. Inspect the control circuit for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0947?

Limited driving only, diagnose soon

How much does it cost to fix P0947?

The estimated repair cost for P0947 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat