Engine-CodesChevrolet – P1A75 Chevrolet

P1A75 Chevrolet Code - Starter/Generator Control Module Coolant Temperature Sensor 2 Performance

Quick Answer

The P1A75 diagnostic trouble code for Chevrolet vehicles refers to an issue with the Starter/Generator Control Module Coolant Temperature Sensor 2 Performance. Common causes include Faulty Starter/Generator Control Module Coolant Temperature Sensor 2, Wiring issues or electrical connections related to the sensor, Coolant temperature sensor circuit malfunction. 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
P1A75 Chevrolet indicates Starter/Generator Control Module Coolant Temperature Sensor 2 Performance.
Common causes
Common causes include Faulty Starter/Generator Control Module Coolant Temperature Sensor 2, Wiring issues or electrical connections related to the sensor, Coolant temperature sensor circuit malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1A75 Chevrolet Description

The P1A75 diagnostic trouble code for Chevrolet vehicles refers to an issue with the Starter/Generator Control Module Coolant Temperature Sensor 2 Performance. This sensor is responsible for monitoring the coolant temperature in the vehicle's engine. When the sensor detects a deviation from the expected performance range, it triggers the P1A75 code. This can indicate a problem with the sensor itself, the wiring connected to it, or issues with the coolant temperature in the engine.

OBDII Code P1A75 Chevrolet - Starter/Generator Control Module Coolant Temperature Sensor 2 Performance
P1A75 Chevrolet Code - Starter/Generator Control Module Coolant Temperature Sensor 2 Performance

Common Causes of P1A75 Chevrolet

  1. Faulty Starter/Generator Control Module Coolant Temperature Sensor 2
  2. Wiring issues or electrical connections related to the sensor
  3. Coolant temperature sensor circuit malfunction
  4. Coolant temperature sensor reading out of range
  5. Engine coolant level too low

Symptoms of P1A75 Chevrolet

  1. Engine running hot or overheating
  2. Poor fuel efficiency
  3. Rough idling or stalling
  4. Check Engine Light illuminated
  5. Reduced engine performance

How to Fix P1A75 Chevrolet

  1. Diagnose the issue by using a scan tool to read the code and check the sensor's performance.
  2. Inspect the wiring and connections related to the Starter/Generator Control Module Coolant Temperature Sensor 2 for any damage or corrosion.
  3. Test the sensor's resistance and voltage to determine if it is functioning correctly.
  4. Replace the faulty sensor if necessary and reset the code using the scan tool.
  5. Clear any remaining codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1A75 Chevrolet

The typical repair costs for addressing the P1A75 code on a Chevrolet vehicle can range from $150 to $300, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

Need more information about the P1A75 Chevrolet code?

Need more information on how to fix the P1A75 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A75 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P1A75 Chevrolet Code

What does the OBDII code P1A75 mean on a Chevrolet?

P1A75 indicates an issue with the Starter/Generator Control Module Coolant Temperature Sensor 2, specifically its performance or output being out of range.

What are the common symptoms of a P1A75 code?

Common symptoms include the check engine light turning on, reduced fuel efficiency, possible overheating of the starter/generator system, and limited hybrid system performance (if applicable).

What causes the P1A75 code on a Chevrolet?

The most common causes are a faulty coolant temperature sensor, wiring or connector issues, coolant leaks, or a malfunction in the Starter/Generator Control Module.

Can I drive my Chevrolet with a P1A75 code?

Driving with a P1A75 code is not recommended, as it may result in reduced hybrid performance, overheating, or further damage to the starter/generator system.

How do you diagnose the P1A75 code?

Diagnosis typically involves scanning the vehicle with an OBDII scanner, inspecting the sensor and its wiring for damage, and testing the sensor’s resistance and output.

How do you fix a P1A75 code on a Chevrolet?

Repairs may include replacing the faulty coolant temperature sensor, repairing damaged wiring or connectors, ensuring proper coolant levels, or addressing issues with the Starter/Generator Control Module.

What tools are needed to troubleshoot a P1A75 code?

You’ll need an OBDII scanner, a multimeter for testing electrical circuits, and possibly tools to access and replace the sensor or repair wiring.

Can low coolant levels trigger a P1A75 code?

Yes, low coolant levels can cause improper sensor readings and trigger the P1A75 code, so it’s important to check and maintain proper coolant levels.

How much does it cost to fix a P1A75 code?

Costs vary depending on the issue, but replacing the coolant temperature sensor typically costs $100–$300, including parts and labor. Wiring repairs or module replacements may cost more.

Is the P1A75 code specific to hybrid vehicles?

Yes, this code is often associated with hybrid or electric Chevrolet vehicles that use a Starter/Generator Control Module for system cooling and performance management.

Discuss the causes and fixes for P1A75 Chevrolet OBDII Code

Code P1A75 Chevrolet comments

No comments found for this page.