OBD Guide
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P1817

Actuator Motor

P1817 is an OBD-II diagnostic trouble code meaning: Actuator Motor. Common causes: actuator motor malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The car goes into emergency gearbox mode
  • Difficulty shifting gears
  • Dips when switching
  • Check Engine light comes on
  • Reduced acceleration dynamics

Causes

  • Actuator motor malfunction
  • Open or short circuit in control circuit
  • Problems with connectors or wiring harness
  • Mechanical damage to the switching system
  • Low transmission fluid level

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the electrical circuit of the actuator motor
  3. Check connectors and wiring harness for damage
  4. Test the actuator motor
  5. If necessary, replace the actuator motor

Related codes

P1810P1815P1820

Error P1817 by Vehicle Brand

BuickCadillacChevroletGMGMCOldsmobileSaturn

FAQ

What does the P1817 code mean?

P1817 is an OBD-II diagnostic trouble code that indicates: Actuator Motor

What causes a P1817 error code?

The most common causes of P1817 include: Actuator motor malfunction; Open or short circuit in control circuit; Problems with connectors or wiring harness; Mechanical damage to the switching system.

How do I fix a P1817 diagnostic trouble code?

To fix P1817: Check the level and condition of the transmission fluid. Diagnose the electrical circuit of the actuator motor. Check connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1817?

Limited driving only, diagnose soon

How much does it cost to fix P1817?

The estimated repair cost for P1817 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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