OBD Guide

P093B

Hydraulic Accumulator Solenoid Circuit Low

P093B is an OBD-II diagnostic trouble code meaning: Hydraulic Accumulator Solenoid Circuit Low. Common causes: open or short circuit in solenoid circuit, accumulator solenoid malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Rough gear shifting
  • Transmission transition to emergency mode
  • Check engine light comes on
  • Reduced transmission efficiency

Causes

  • Open or short circuit in solenoid circuit
  • Accumulator solenoid malfunction
  • Problems with the transmission control unit
  • Poor contact in connectors
  • Low voltage on-board network

How to Fix

  1. Check the continuity of the solenoid circuit
  2. Check solenoid resistance
  3. Inspect connectors and contacts
  4. Check voltage at solenoid
  5. If necessary, replace the solenoid

Related codes

Error P093B by Vehicle Brand

FAQ

What does the P093B code mean?

P093B is an OBD-II diagnostic trouble code that indicates: Hydraulic Accumulator Solenoid Circuit Low

What causes a P093B error code?

The most common causes of P093B include: Open or short circuit in solenoid circuit; Accumulator solenoid malfunction; Problems with the transmission control unit; Poor contact in connectors.

How do I fix a P093B diagnostic trouble code?

To fix P093B: Check the continuity of the solenoid circuit. Check solenoid resistance. Inspect connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P093B?

Yes, but get it checked soon

How much does it cost to fix P093B?

The estimated repair cost for P093B is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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