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AutoCodes - Generic - P0946

P0946 Code - Hydraulic Pump Relay Circuit Range/Performance

- Code Popularity: 12,670 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0946?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Hydraulic Pump Relay
  • Hydraulic Pump Relay harness is open or shorted
  • Hydraulic Pump Relay circuit poor electrical connection
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How to Fix the DTC P0946?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0946 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P0946 Description

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.

OBDII Code P0946 - Hydraulic Pump Relay Circuit Range/Performance - AutoCodes.com
P0946 Code - Hydraulic Pump Relay Circuit Range/Performance

Need More Information on the Code?

Need more information on how to fix the P0946 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P0946 Dodge Hydraulic Pump Relay Circuit Range/Performance

Need Help with the Code?

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Code P0946 comments

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