OBD Guide

B0977

Start Indicator Control Circuit

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

Symptoms

  • The engine start indicator does not light up when the ignition is turned on
  • The engine start indicator does not go off after starting
  • The engine is difficult to start or does not start

Causes

  • Open or short circuit in wiring harness
  • Start indicator malfunction
  • Problems with the control module
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Check that the start indicator is working properly
  3. Check contacts in connectors
  4. Scan the control module for other errors
  5. If necessary, replace faulty components

Related codes

Error B0977 by Vehicle Brand