DTC U1147 Buick

Ignition Coil C Primary Control Circuit High

Ignition Coil C Primary Control Circuit High

Description

Engine speed, lt; 5000 RPM

Cause and Solution

Ignition Coils fuses. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND). Check the wiring connection for damage, corrosion, lose or broken terminals. ECM power supply relay. Engine Speed (RPM) Sensor. Camshaft Position (CMP) Sensor. Ignition coil. ECM.

Video Guide

Duration: PT4M5S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: U1147
  • Brand: Buick
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