OBD Guide

P1A75

Starter/Generator Control Module Coolant Temperature Sensor 2 Performance

P1A75 is an OBD-II diagnostic trouble code meaning: Starter/Generator Control Module Coolant Temperature Sensor 2 Performance. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect operation of the start-stop system
  • Reduced efficiency of regenerative braking
  • Possible problems starting the engine
  • Hybrid system power reduction

Causes

  • Coolant temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Starter/Generator Control Module Malfunction
  • Wiring Harness Problems

How to Fix

  1. Check the condition of the coolant temperature sensor
  2. Check the integrity of the sensor circuit
  3. Check connections and connectors
  4. Replace the faulty sensor if necessary
  5. Check the operation of the starter/generator control module

Related codes

FAQ

What does the P1A75 code mean?

P1A75 is an OBD-II diagnostic trouble code that indicates: Starter/Generator Control Module Coolant Temperature Sensor 2 Performance

What causes a P1A75 error code?

The most common causes of P1A75 include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Starter/Generator Control Module Malfunction.

How do I fix a P1A75 diagnostic trouble code?

To fix P1A75: Check the condition of the coolant temperature sensor. Check the integrity of the sensor circuit. Check connections and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A75?

Yes, but get it checked soon

How much does it cost to fix P1A75?

The estimated repair cost for P1A75 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat