P1667

Description
FUEL PUMP PWM CONTROL CIRCUIT

The Output Driver Module (ODM) is used by the PCM to turn on
many of the current-driven devices that are needed to control various
engine and transaxle functions. Each ODM is capable of controlling up
to 7 separate outputs by applying ground to the device which the PCM
is commanding on. ODM have the capability of diagnosing each output
circuit individually.

Symptoms
You likely won't notice any drivability problems.

Causes

• Improper voltage level detected on fuel pump speed control
  Pulse Width Modulated (PWM) circuit.

Solutions

• Check for shorts or bad connections on fuel pump speed control
• Test fuel pump relay.
• Replace fuel pump control module.