AutoCodes – Cadillac – P1665 Cadillac

P1665 Cadillac Code - EVAP Vent Solenoid Control Circuit Conditions

Quick Answer

The Output Driver Module (ODM) is used by the Powertrain Control Module (PCM) to turn on many of the current-driven devices that are needed to control various engine and transaxle functions. Common causes include Faulty EVAP Vent Solenoid, EVAP Vent Solenoid harness is open or shorted, EVAP Vent Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1665 Cadillac indicates EVAP Vent Solenoid Control Circuit Conditions.
Common causes: Common causes include Faulty EVAP Vent Solenoid, EVAP Vent Solenoid harness is open or shorted, EVAP Vent Solenoid circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,335

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1665 Cadillac Description

The Output Driver Module (ODM) is used by the Powertrain Control Module (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.

OBDII Code P1665 Cadillac - EVAP Vent Solenoid Control Circuit Conditions - AutoCodes.com — P1665 Cadillac Code - EVAP Vent Solenoid Control Circuit Conditions

What does this mean?

What are the Possible Causes of the DTC P1665 Cadillac?

Faulty EVAP Vent Solenoid
EVAP Vent Solenoid harness is open or shorted
EVAP Vent Solenoid circuit poor electrical connection

How to Fix the DTC P1665 Cadillac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1665 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.