OBD Guide

P088D

Reverse Inhibit Control Circuit High

P088D is an OBD-II diagnostic trouble code meaning: Reverse Inhibit Control Circuit High. Common causes: open or short circuit in control circuit, faulty reverse lock relay. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with shifting into reverse gear
  • The car may not engage reverse gear
  • Possible jerking when trying to engage reverse

Causes

  • Open or short circuit in control circuit
  • Faulty reverse lock relay
  • Problems with the transmission control module
  • Corrosion or poor contact in connectors
  • Gear selector position sensor malfunction

How to Fix

  1. Check the integrity of wiring and connectors
  2. Test the reverse lock relay
  3. Check control circuit voltage
  4. Scan the transmission control module for errors
  5. If necessary, replace faulty components

Related codes

Error P088D by Vehicle Brand

FAQ

What does the P088D code mean?

P088D is an OBD-II diagnostic trouble code that indicates: Reverse Inhibit Control Circuit High

What causes a P088D error code?

The most common causes of P088D include: Open or short circuit in control circuit; Faulty reverse lock relay; Problems with the transmission control module; Corrosion or poor contact in connectors.

How do I fix a P088D diagnostic trouble code?

To fix P088D: Check the integrity of wiring and connectors. Test the reverse lock relay. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P088D?

Limited driving only, diagnose soon

How much does it cost to fix P088D?

The estimated repair cost for P088D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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