P1673

Description
ENGINE HOT LIGHT CONTROL CIRCUIT

Output Driver Modules (ODM) are used by PCM to turn on
current-driven devices needed to control various engine and transaxle
functions. Each ODM can control up to 7 outputs by supplying ground to
device PCM is commanding on. ODMs can diagnose each circuit
individually. If ODM output (ENGINE HOT light indicator driver
circuit) detects an improper voltage level, DTC will set.

Symptoms
You likely won't notice any drivability problems.

Causes

• An improper voltage level has been detected on ENGINE HOT
  light indicator driver circuit.

Solutions

• Check for shorts or bad connections in ENGINE HOT light
  control circuit.
• Replace fuse.