AutoCodes – Mercury – P1469 Mercury

P1469 Mercury Code - Low Air Conditioning Cycling Period

Quick Answer

The Air Condition (A/C) Control Module monitors the A/C compressor clutch cycling. Common causes include Low refrigerant charge in AC system, Intermittent circuit condition on clutch circuit, Mechanical A/C system concern. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P1469 Mercury indicates Low Air Conditioning Cycling Period.
Common causes: Common causes include Low refrigerant charge in AC system, Intermittent circuit condition on clutch circuit, Mechanical A/C system concern.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 1,782

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 18, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1469 Mercury Description

The Air Condition (A/C) Control Module monitors the A/C compressor clutch cycling. The Diagnostic Trouble Code (DTC) sets when the Air Condition (A/C) Control Module detects a frequent A/C compressor clutch cycling. The air conditioning clutch switch input to the Powertrain Control Module (PCM) must change states in less than 8.5-second intervals for a calibratable amount of time.

OBDII Code P1469 Mercury - Low Air Conditioning Cycling Period - AutoCodes.com — P1469 Mercury Code - Low Air Conditioning Cycling Period

What does this mean?

What are the Possible Causes of the DTC P1469 Mercury?

Low refrigerant charge in AC system
Intermittent circuit condition on clutch circuit
Mechanical A/C system concern

How to Fix the DTC P1469 Mercury?

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 P1469 Mercury 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.