OBD Guide

P1852

Brake Band Apply Solenoid Low Input Voltage

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Incorrect gear shifting
  • Slipping when switching
  • Check Engine light comes on
  • Deterioration in acceleration dynamics
  • Possible jerking when changing gears

Causes

  • Brake band solenoid malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Problems with the transmission control unit
  • Faulty relay or fuse

How to Fix

  1. Check the condition of fuses and relays
  2. Inspect the wiring harness for damage
  3. Check contacts in solenoid connectors
  4. Test solenoid resistance
  5. If necessary, replace the brake band solenoid

Related codes

Error P1852 by Vehicle Brand