P1258 BUICK - Engine Coolant Overtemperature Protection Mode Active

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P1258 BUICK Possible Causes

  • Faulty Engine Coolant Temperature
  • Engine Coolant Temperature harness is open or shorted
  • Engine Coolant Temperature circuit poor electrical connection

How do I fix code P1258 BUICK

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P1258 BUICK code

    Labor: 1.0

    The cost of diagnosing the P1258 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1258 BUICK Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1258 BUICK Meaning

In order to reduce the engine temperature the Powertrain Control Module (PCM) has the ability to disable a number of fuel injectors during an engine over temperature condition. The PCM considers the engine over temperature whenever the Engine Coolant Temperature (ECT) reaches a predetermined temperature. This DTC sets in order to show that the PCM detected an over temperature condition and that the system engaged the protection mode.
OBDII Code P1258 BUICK - Engine Coolant Overtemperature Protection Mode Active - Engine-Codes.com

P1258 BUICK More Information

Need more information on how to fix the P1258 BUICK code?
Get Access to Factory Service Manuals

Related Information