P1907 – OBD-II DTC

OBD-II DTC P1907 – Pressure Control Solenoid “B” Intermittent Short

DTC P1907 meaning

DTC P1907 refers to an issue with the Pressure Control Solenoid “B” in the vehicle’s transmission system. This code indicates that there is an intermittent short circuit detected in the solenoid circuit. The pressure control solenoid is responsible for regulating the hydraulic pressure within the transmission, which is crucial for proper shifting and overall transmission performance.

DTC P1907 symptoms

Common symptoms associated with DTC P1907 may include:

• Erratic or harsh shifting of the transmission
• Delayed engagement when shifting from park to drive or reverse
• Transmission slipping or overheating
• Check Engine Light illuminated on the dashboard
• Reduced fuel efficiency

DTC P1907 causes

Several factors can lead to the triggering of DTC P1907, including:

• Faulty pressure control solenoid “B”
• Wiring issues such as frayed or damaged wires
• Corroded connectors in the solenoid circuit
• Short circuits in the electrical system
• Faulty transmission control module (TCM)

DTC P1907 seriousness

DTC P1907 is considered a serious issue as it can lead to significant transmission problems if not addressed. The symptoms can affect the drivability of the vehicle, potentially leading to further damage to the transmission system. It is advisable to diagnose and repair the issue promptly to avoid costly repairs and ensure safe vehicle operation.

How to diagnose DTC P1907

To diagnose DTC P1907, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the P1907 code.
2. Inspect the wiring and connectors related to the pressure control solenoid “B” for any visible damage or corrosion.
3. Check the resistance of the solenoid using a multimeter to ensure it is within specifications.
4. Test the voltage supply to the solenoid while the engine is running.
5. Examine the transmission control module (TCM) for any faults or updates.

How to fix DTC P1907 step-by-step instructions

To fix DTC P1907, follow these steps:

1. Repair or replace any damaged wiring or connectors found during diagnosis.
2. If the pressure control solenoid “B” is faulty, replace it with a new one.
3. Clear any stored DTCs using an OBD-II scanner.
4. Test drive the vehicle to ensure the issue is resolved and the check engine light does not reappear.
5. If the code returns, further investigate the TCM or other related components.

How to erase DTC P1907

To erase DTC P1907, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the codes.
5. Disconnect the scanner and start the vehicle to check if the code reappears.

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