P1379

Fuel Injection Control Module Circuit High Voltage

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Misfires
Check Engine Light Illuminates

Causes

Malfunction of the injection control module
Wiring harness damage
Short circuit in the circuit
Relay or fuse problems
Generator malfunction (overcharge)

How to Fix

Check the condition of the injection module wiring harness
Measure the voltage in the module circuit
Check generator operation
Test the injection control module
Replace faulty components

Related codes

P1378 P1380 P1381