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Code P2497

Quick reference

P2497 at a glance

Plain-language meaning
Your car has a system that helps reduce pollution. This system has a sensor that checks if a part called the EGR cooler is working correctly. This error means the sensor is not working right on one side of the engine.
Urgency
Moderate – Should be addressed soon to prevent increased emissions and potential engine damage.
Difficulty
Moderate
System
Sensor Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

This summary uses the existing diagnostic information shown in full below.

Laymans terms

Your car has a system that helps reduce pollution. This system has a sensor that checks if a part called the EGR cooler is working correctly. This error means the sensor is not working right on one side of the engine.

Explanation

The EGR (Exhaust Gas Recirculation) cooler bypass position sensor monitors the position of the bypass valve in the EGR cooler system. This code indicates a problem with the sensor circuit on the second bank of the engine.

Technical description

The P2497 code is triggered when the Engine Control Module (ECM) detects a malfunction in the EGR cooler bypass position sensor circuit on bank 2. This sensor is responsible for providing feedback on the position of the EGR cooler bypass valve, which is used to control exhaust gas temperature and emissions.

Symptoms

• Check Engine Light illuminated

• Poor engine performance

• Increased emissions

Common Causes

• Faulty EGR cooler bypass position sensor

• Wiring issues such as short or open circuits

• Poor electrical connections

Glossary

EGR: Exhaust Gas Recirculation

ECM: Engine Control Module

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the wiring and connectors for damage.

• Test the EGR cooler bypass position sensor for proper operation.

Repair procedures

• Replace the EGR cooler bypass position sensor.

• Repair or replace damaged wiring or connectors.

• Clear the code and test drive to verify the fix.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-250

• Chevrolet Silverado

• Dodge Ram 2500

Preventive measures

• Regular maintenance of the EGR system

• Ensure all sensors are clean and functioning

• Check wiring and connectors for wear

Error code type

Sensor Issue

User experience recommendations

• Avoid driving with the Check Engine Light on for extended periods.

• Have the vehicle inspected by a professional if unsure about repairs.

Warranty information

Check with your vehicle manufacturer; emissions-related components may have extended warranties.

Historical data

This code has become more common with the increased use of EGR systems in diesel engines to meet emissions standards.

Urgency level

Moderate – Should be addressed soon to prevent increased emissions and potential engine damage.

Testing conditions

• Engine at normal operating temperature

• Vehicle idling or under light load

Component location

The EGR cooler bypass position sensor is typically located near the EGR cooler on the engine's exhaust side.

FAQs

Q: Can I drive my car with a P2497 code?
A: It's possible to drive, but it's not recommended as it can lead to increased emissions and potential engine damage.

Q: How serious is the P2497 code?
A: It's moderately serious. It should be addressed to ensure proper engine performance and emissions control.

Optional diagnostic gear

Tools that may help diagnose P2497

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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