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P0977 Dodge Code - Shift Solenoid 'B' Control Circuit High

- Code Popularity: 4,333 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0977 Dodge?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shift solenoid 'B' valve
  • Shift solenoid 'B' valve harness or connectors
  • Shift solenoid 'B' valve circuit is open or shorted
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How to Fix the DTC P0977 Dodge?

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 P0977 Dodge 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 P0977 Dodge Description

The Powertrain Control Module (PCM) controls the ground signal for shift solenoid B to control the solenoid ON or OFF, according to transaxle and vehicle operation. When the solenoid is OFF, filtered line pressure to the solenoid is exhausted. When energized (ON), the exhaust port is blocked, stopping the exhaust of line pressure through the solenoid, and directing it into the solenoid B passage. Solenoid B fluid pressure is then fed to the 4-3 manual downshift valve and the 3-2 manual downshift valve.

OBDII Code P0977 Dodge - Shift Solenoid 'B' Control Circuit High - AutoCodes.com
P0977 Dodge Code - Shift Solenoid 'B' Control Circuit High

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Code P0977 Dodge comments

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