AutoCodes - Ford - P1646 2010 FORD FUSION

P1646 2010 FORD FUSION Code - Linear O2 Sensor Control Chip Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P1646 2010 FORD FUSION code possible causes

  • Faulty Powertrain Control Module (PCM)

|How do I fix the P1646 2010 FORD FUSION code?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|P1646 2010 FORD FUSION code tech notes

Reprogram or update PCM. Check for other DTCs and diagnose those first. Make sure to check for aftermarket performance products before installing a new PCM

|Cost of diagnosing the P1646 2010 FORD FUSION code

Labor: 1.0

The cost of diagnosing the P1646 2010 FORD FUSION code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1646 2010 FORD FUSION code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|P1646 2010 FORD FUSION code description

The Powertrain Control Module (PCM) monitors the application-specific integrated circuit that controls and monitors the Heated Oxygen Sensor (HO2S). The test fails when the PCM detects an internal circuit or communication concern.
OBDII Code P1646 2010 Ford Fusion - Linear O2 Sensor Control Chip Bank 1 - AutoCodes.com

|Need more information with the P1646 2010 FORD FUSION code?

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|P1646 2010 FORD FUSION code comments

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