Engine-Codes - Generic - P0946

P0946 Code - Hydraulic Pump Relay Circuit Range/Performance

- Code Popularity: 12,669 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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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?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0946 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P0946 Code Mean?

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.

P0946 Code - Hydraulic Pump Relay Circuit Range/Performance

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Code P0946 Information for Specific Makes

  • P0946 Dodge Hydraulic Pump Relay Circuit Range/Performance

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