AutoCodes – Dodge – P1188 Dodge

P1188 Dodge Code - Throttle Inlet Pressure Sensor Performance

Quick Answer

The Engine Control Module (ECM) has detected a significant difference between the Throttle Inlet Pressure (TIP) sensor signal and the BARO sensor signal. Common causes include Check for mechanical condition, Hoses and tubing, Vacuum supply to surge solenoid. 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: P1188 Dodge indicates Throttle Inlet Pressure Sensor Performance.
Common causes: Common causes include Check for mechanical condition, Hoses and tubing, Vacuum supply to surge solenoid.
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 5,222

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 P1188 Dodge Description

The Engine Control Module (ECM) has detected a significant difference between the Throttle Inlet Pressure (TIP) sensor signal and the BARO sensor signal.

OBDII Code P1188 Dodge - Throttle Inlet Pressure Sensor Performance - AutoCodes.com — P1188 Dodge Code - Throttle Inlet Pressure Sensor Performance

What does this mean?

What are the Possible Causes of the DTC P1188 Dodge?

Check for mechanical condition
Hoses and tubing
Vacuum supply to surge solenoid
Faulty Wastegate Actuator
Faulty Turbocharger

How to Fix the DTC P1188 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 P1188 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.