OBD Guide

P093A

Hydraulic Accumulator Solenoid Circuit/Open

P093A is an OBD-II diagnostic trouble code meaning: Hydraulic Accumulator Solenoid Circuit/Open. Common causes: broken wires in the 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

  • Incorrect gear shifting
  • Check Engine light comes on
  • Transmission transition to emergency mode
  • Reduced transmission efficiency

Causes

  • Broken wires in the solenoid circuit
  • Accumulator solenoid malfunction
  • Wiring Harness Problems
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the continuity of the solenoid circuit
  2. Check solenoid resistance
  3. Inspect the wiring harness for damage
  4. If necessary, replace the solenoid
  5. Check the operation of the transmission control module (TCM)

Related codes

Error P093A by Vehicle Brand

FAQ

What does the P093A code mean?

P093A is an OBD-II diagnostic trouble code that indicates: Hydraulic Accumulator Solenoid Circuit/Open

What causes a P093A error code?

The most common causes of P093A include: Broken wires in the solenoid circuit; Accumulator solenoid malfunction; Wiring Harness Problems; Transmission control module (TCM) malfunction.

How do I fix a P093A diagnostic trouble code?

To fix P093A: Check the continuity of the solenoid circuit. Check solenoid resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P093A?

Yes, but get it checked soon

How much does it cost to fix P093A?

The estimated repair cost for P093A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat