Engine-Codes - Generic - P0946

P0946 - Hydraulic Pump Relay Circuit Range/Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0946 Possible Causes

  • Faulty Hydraulic Pump Relay
  • Hydraulic Pump Relay harness is open or shorted
  • Hydraulic Pump Relay circuit poor electrical connection

How is the P0946 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P0946 code

Labor: 1.0

The cost to diagnose the P0946 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0946 Meaning

The Transmission Control Module (TCM) monitors the Hydraulic Pump Relay. The TCM sets the OBDII code when the Hydraulic Pump Relay is not to factory specifications.

More Information

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Information for specific makes

  • P0946 DODGE Hydraulic Pump Relay Circuit Range/Performance

Need more help?

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