⚡ AUTO CODE FIX
🔍
TransmissionCritical⚠️ Professional Recommended

P0755

Shift Solenoid B Malfunction

Shift solenoid B has failed. Controls different gear combinations than solenoid A.

SeverityCritical
CategoryTransmission
Est. Repair Cost$200–$800
Code TypePowertrain
DIY RepairProfessional

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Service transmission fluid
  • Step 2:Test solenoid B resistance
  • Step 3:Replace solenoid B
  • Step 4:Inspect valve body
💡 Pro Tip: Solenoids A and B work together — when one fails, replacing both is often recommended to avoid repeat repairs.

Repair Cost Estimate

Full Repair Estimate
$200–$800
DIY Possible?
PRO
Severity
Critical

Frequently Asked Questions

What does OBD2 code P0755 mean?+
P0755 stands for Shift Solenoid B Malfunction. Shift solenoid B has failed. Controls different gear combinations than solenoid A.
What causes code P0755?+
Failed solenoid B; Dirty fluid; Wiring fault; Valve body issue
How do I fix code P0755?+
Service transmission fluid; Test solenoid B resistance; Replace solenoid B; Inspect valve body
How much does it cost to fix P0755?+
Estimated repair cost for P0755 is $200–$800.
Is P0755 DIY-friendly?+
P0755 typically requires professional equipment and a qualified mechanic.

AI Diagnosis

Related Codes

P0750Shift Solenoid A Malfunction
Critical
P0700Transmission Control System Malfunction
Critical
P0715Input/Turbine Speed Sensor Circuit Malfunction
Critical
P0720Output Speed Sensor Circuit Malfunction
Critical
P0730Incorrect Gear Ratio
Critical
P0731Gear 1 Incorrect Ratio
Critical