OBD Guide

P0964

Pressure Control Solenoid B Control Circuit/Open

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Hard gear shifts
  • The gearbox goes into emergency mode
  • Check Engine light comes on
  • Reduced automatic transmission efficiency
  • Difficulties when shifting gears

Causes

  • Open or short circuit in solenoid control circuit
  • Pressure control solenoid B malfunction
  • Poor contact in solenoid connector
  • Wiring harness damage
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the integrity of the solenoid control circuit
  2. Check solenoid resistance
  3. Inspect connectors and wiring harness for damage
  4. Replace faulty solenoid if necessary
  5. Check and, if necessary, replace the transmission control unit

Related codes

Error P0964 by Vehicle Brand