OBD Guide

U350A

Control Module Input Power C Circuit High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–222 (est.)

Symptoms

  • Unstable engine operation
  • Check Engine Light Is On
  • Malfunctions of electronic systems
  • Sensor failure

Causes

  • Generator malfunction
  • Problems with the voltage regulator
  • Short circuit in the circuit
  • Wiring harness damage
  • Control unit malfunction

How to Fix

  1. Check generator voltage
  2. Diagnose the voltage regulator
  3. Inspect the wiring harness for damage
  4. Check the power supply circuit of the control unit
  5. If necessary, replace the control unit

Related codes

Error U350A by Vehicle Brand