AutoCodes – Jeep – P1197 Jeep

P1197 Jeep Code - Heated Oxygen Sensor Bank 1 Sensor 2 Slow Response

Quick Answer

The Powertrain Control Module (PCM) monitors the Heated Oxygen Sensor Bank 1 Sensor 1. Common causes include Faulty Heated Oxygen Sensor Bank 1 Sensor 1, Very lean air fuel ratio (Intake Leak), Very rich air fuel ratio (Injector leak or bad mass air flow sensor). 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: P1197 Jeep indicates Heated Oxygen Sensor Bank 1 Sensor 2 Slow Response.
Common causes: Common causes include Faulty Heated Oxygen Sensor Bank 1 Sensor 1, Very lean air fuel ratio (Intake Leak), Very rich air fuel ratio (Injector leak or bad mass air flow sensor).
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 2,391

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1197 Jeep Description

The Powertrain Control Module (PCM) monitors the Heated Oxygen Sensor Bank 1 Sensor 1. The PCM sets the Diagnostic Trouble Code (DTC) when the Heated Oxygen Sensor Bank 1 Sensor 1 is not to factory specifications. The oxygen sensor has a slow response during the testing period

OBDII Code P1197 Jeep - Heated Oxygen Sensor Bank 1 Sensor 2 Slow Response - AutoCodes.com — P1197 Jeep Code - Heated Oxygen Sensor Bank 1 Sensor 2 Slow Response

What does this mean?

What are the Possible Causes of the DTC P1197 Jeep?

Faulty Heated Oxygen Sensor Bank 1 Sensor 1
Very lean air fuel ratio (Intake Leak)
Very rich air fuel ratio (Injector leak or bad mass air flow sensor)

How to Fix the DTC P1197 Jeep?

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 P1197 Jeep 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 P1197 Jeep code?

Need more information on how to fix the P1197 Jeep code? Get Access to Factory Service Manuals

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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.