WOMS
P code powertrain High severity

P096C Pressure Control Solenoid 'B' Range/Performance Problem

The OBD2 code P096C indicates a problem with the range or performance of the pressure control solenoid 'B' in the transmission system, suggesting that it is not functioning within the expected parameters

Definition

The OBD2 code P096C indicates a problem with the range or performance of the pressure control solenoid 'B' in the transmission system, suggesting that it is not functioning within the expected parameters

Common causes

  • Faulty pressure control solenoid 'B'
  • Wiring issues or damaged connectors
  • Low transmission fluid level
  • Contaminated or degraded transmission fluid
  • Faulty transmission control module (TCM)
  • Internal transmission problems
  • Faulty pressure sensor
  • Software issues in the TCM

Common misdiagnoses

  • Faulty transmission control module (TCM)
  • Low transmission fluid level
  • Contaminated transmission fluid
  • Faulty pressure control solenoid 'A'
  • Wiring issues or short circuits
  • Faulty transmission pump
  • Internal transmission damage
  • Incorrect transmission fluid type
  • Faulty engine control module (ECM)
  • Sensor issues (e.g., throttle position sensor)

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are multiple issues

  2. 2. Inspect Transmission Fluid

    Fluid Level: Check the transmission fluid level. Low fluid can cause pressure issues

  3. 3. Fluid Condition

    Inspect the fluid for contamination, burning smell, or discoloration. If the fluid is dirty or burnt, consider a transmission fluid change

  4. 4. Examine Wiring and Connectors

    Inspect the wiring and connectors related to the pressure control solenoid 'B'. Look for signs of damage, corrosion, or loose connections that could affect performance

  5. 5. Test the Pressure Control Solenoid

    Use a multimeter to test the resistance of the solenoid. Compare the readings to the manufacturer's specifications. If the solenoid is out of spec, it may need to be replaced

  6. 6. Check for Mechanical Issues

    Inspect the transmission for any mechanical issues that could affect solenoid performance, such as sticking valves or internal leaks

  7. 7. Scan for Transmission Data

    Use a scan tool to monitor live data from the transmission control module (TCM). Look for abnormal pressure readings or solenoid activation data that could indicate a problem

  8. 8. Inspect the Transmission Control Module (TCM)

    If the solenoid and wiring are in good condition, the issue may lie with the TCM itself. Check for software updates or faults in the TCM

  9. 9. Perform a Transmission Fluid Flush

    If the fluid is contaminated, performing a transmission fluid flush may help resolve the issue

  10. 10. Check for Software Updates

    Some manufacturers release software updates for the TCM that can resolve performance issues. Check with the dealer for any available updates

  11. 11. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the P096C code for your specific vehicle make and model. Manufacturers may have identified common issues and solutions.1

  12. 12. Professional Diagnosis

    If the problem persists after performing the above steps, consider seeking help from a professional mechanic or transmission specialist. They may have specialized tools and knowledge to diagnose the issue more accurately.Conclusion Always refer to the vehicle's service manual for specific diagnostic procedures and specifications. Proper diagnosis is crucial, as replacing parts without confirming the root cause can lead to unnecessary expenses