AutoCodes – Cadillac – P1653 Cadillac

P1653 Cadillac Code - EGR Vent Solenoid Control Circuit Conditions

Quick Answer

With the key on or engine running, then with the Vent solenoid requested on (Test 1), the Powertrain Control Module (PCM) detects the voltage on the solenoid control circuit was high (12v), or with the Vent solenoid requested off, the voltage on the Vent solenoid control circuit was near zero (0) volts. Common causes include Faulty EGR Vent Solenoid, EGR Vent Solenoid harness is open or shorted, EGR Vent Solenoid circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P1653 Cadillac indicates EGR Vent Solenoid Control Circuit Conditions.
Common causes
Common causes include Faulty EGR Vent Solenoid, EGR Vent Solenoid harness is open or shorted, EGR Vent Solenoid circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 3,240
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 05, 2019
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Code P1653 Cadillac Description

With the key on or engine running, then with the Vent solenoid requested on (Test 1), the Powertrain Control Module (PCM) detects the voltage on the solenoid control circuit was high (12v), or with the Vent solenoid requested off, the voltage on the Vent solenoid control circuit was near zero (0) volts.
OBDII Code P1653 Cadillac - EGR Vent Solenoid Control Circuit Conditions - AutoCodes.com
P1653 Cadillac Code - EGR Vent Solenoid Control Circuit Conditions

What are the Possible Causes of the DTC P1653 Cadillac?

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

How to Fix the DTC P1653 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 P1653 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.

Need more information about the P1653 Cadillac code?

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Need Help with the Code?

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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.

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