Live Manual
Engine Error

P0379

Timing Reference High Resolution Signal B No Pulses

Severity
High

Symptoms

Engine cranks but won't start

Common Causes

  • Dead sensor B
  • Unplugged harness
  • Broken wire in the circuit
  • PCM fault

How to Fix

  1. 1 Replace sensor B
  2. 2 Reconnect wiring harness
  3. 3 Repair broken circuit
  4. 4 Diagnose PCM
Estimated Repair Cost USD
$100 $450

Sensor replacement: 150 - 400