Chevrolet P1207: FICM PWM Signal To PCM Circuit Malfunction

Is your scanner showing Chevrolet P1207?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1207: FICM PWM Signal To PCM Circuit Malfunction

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Advanced
Repair Cost
:
$400-$1000
Can I Still Drive?
:
Yes (Short-term only)

What Does The Chevrolet P1207 Code Mean?

Key on or engine running; and the PCM did not detect a Fuel Rail Pressure sensor PWM output signal for 2-5 seconds. The Fuel Injector Control Module (FICM) monitors the CNG FTP sensor, the FTT sensor, and fuel rail temperature sensor.

What Are The Potential Causes Of The Chevrolet P1207 Code?

  • FICM sensor PWM signal circuit is open or shorted to ground
  • FICM is damaged or it has failed
  • PCM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chevrolet P1207, DTCDECODE.

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