AutoCodes – Dodge – P1187 Dodge

P1187 Dodge Code - Throttle Inlet Pressure/MAP Correlation

Quick Answer

The Engine Control Module (ECM) detected a correlation error between the MAP sensor and the Throttle Inlet Pressure (TIP) sensor Common causes include Faulty MAP sensor, MAP sensor harness is open or shorted, MAP sensor circuit poor electrical connection. 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: P1187 Dodge indicates Throttle Inlet Pressure/MAP Correlation.
Common causes: Common causes include Faulty MAP sensor, MAP sensor harness is open or shorted, MAP sensor circuit poor electrical connection.
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 8,792

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1187 Dodge Description

The Engine Control Module (ECM) detected a correlation error between the MAP sensor and the Throttle Inlet Pressure (TIP) sensor

OBDII Code P1187 Dodge - Throttle Inlet Pressure/MAP Correlation - AutoCodes.com — P1187 Dodge Code - Throttle Inlet Pressure/MAP Correlation

What does this mean?

What are the Possible Causes of the DTC P1187 Dodge?

Faulty MAP sensor
MAP sensor harness is open or shorted
MAP sensor circuit poor electrical connection
Faulty Throttle Inlet Pressure (TIP) sensor
Throttle Inlet Pressure (TIP) sensor harness is open or shorted
Throttle Inlet Pressure (TIP) sensor circuit poor electrical connection
Blocked passage or engine mechanical condition

How to Fix the DTC P1187 Dodge?

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 P1187 Dodge 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.