AutoCodes - OBDII Code List - P0204 CADILLAC

P0204 CADILLAC - Injector 4 Control Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

P0204 CADILLAC Possible Causes

  • Faulty fuel injector 4
  • Fuel Injector 4 harness is open or shorted
  • Fuel injector 4 circuit poor electrical connection

How do I fix code P0204 CADILLAC?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P0204 CADILLAC code

Labor: 1.0

The cost of diagnosing the P0204 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

If an electrical malfunction occurs in the fuel injector circuit for engine cylinder #4, the ignition feed driver signals the Powertrain Control Module (PCM) to set the P0204 code.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of Power
  • The engine may be harder to start
  • Engine hesitation

P0204 CADILLAC Description

The Powertrain Control Module (PCM) controls the fuel injectors by using an ignition feed driver and ground circuit within the PCM. The driver has the ability to detect an electrical malfunction in the ignition feed or ground circuit.
OBDII Code P0204 Cadillac - Injector 4 Control Circuit -

More Information

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