OBD Guide

C0899

Device Voltage Malfunction

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

Symptoms

  • Incorrect operation of electronic systems (such as suspension or ABS)
  • Malfunction indicator light comes on
  • Intermittent operation of devices

Causes

  • Problems in the power circuit (open, short circuit)
  • Malfunction of the electronic device (control unit)
  • Wiring harness damage
  • Poor contact in connectors
  • Alternator or battery problems

How to Fix

  1. Check the voltage on the device using a multimeter
  2. Inspect the wiring harness and connectors for damage.
  3. Replace the faulty device if necessary
  4. Check generator and battery

Related codes

Error C0899 by Vehicle Brand