P0946 Code - Hydraulic Pump Relay Circuit Range/Performance
Quick Answer
The P0946 code indicates a problem with the hydraulic pump relay circuit in the vehicle's transmission system. Common causes include Faulty wiring or connectors in the hydraulic pump relay circuit, Malfunctioning hydraulic pump relay, Issues with the transmission control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0946 indicates Hydraulic Pump Relay Circuit Range/Performance.
- Common causes
- Common causes include Faulty wiring or connectors in the hydraulic pump relay circuit, Malfunctioning hydraulic pump relay, Issues with the transmission control module.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0946 Description
The P0946 code indicates a problem with the hydraulic pump relay circuit in the vehicle's transmission system. The hydraulic pump is responsible for creating the pressure needed to operate the transmission, and the relay circuit controls the activation of the pump. When this circuit is not functioning within the expected range or performance parameters, it can lead to issues with the transmission's operation.
Common Causes of P0946
- Faulty wiring or connectors in the hydraulic pump relay circuit
- Malfunctioning hydraulic pump relay
- Issues with the transmission control module
- Low transmission fluid levels
- Electrical problems in the transmission system
Symptoms of P0946
- Harsh shifting between gears
- Delayed engagement when shifting gears
- Transmission slipping
- Inability to shift gears
- Loss of power or drivability
How to Fix P0946
- Begin by conducting a thorough inspection of the hydraulic pump relay circuit, checking for any loose or damaged wiring or connectors.
- Test the hydraulic pump relay to determine if it is functioning correctly. Replace the relay if necessary.
- Check the transmission control module for any faults or errors. Reset or reprogram the module as needed.
- Ensure that the transmission fluid levels are adequate and top up or replace the fluid if necessary.
- Clear the diagnostic trouble codes from the vehicle's system and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0946
The typical repair costs for addressing a P0946 code can vary depending on the extent of the issue and the specific repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. However, it is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the specific repairs required. It is recommended to consult with a qualified mechanic or auto repair shop to get a more accurate cost estimate for addressing this issue. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may be higher in certain areas or at dealerships.
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Code P0946 Information for Specific Makes
- P0946 Dodge — Hydraulic Pump Relay Circuit Range/Performance
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