P1258 2018 Chevrolet Silverado Code - Engine Coolant Overtemperature Protection Mode Active
Quick Answer
The P1258 diagnostic trouble code (DTC) specifically pertains to a 2018 Chevrolet Silverado and indicates that the Engine Coolant Overtemperature Protection Mode is active. Common causes include Malfunctioning thermostat, Faulty cooling fan, Low coolant levels. 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
- P1258 2018 Chevrolet Silverado indicates Engine Coolant Overtemperature Protection Mode Active.
- Common causes
- Common causes include Malfunctioning thermostat, Faulty cooling fan, Low coolant levels.
- 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 P1258 2018 Chevrolet Silverado Description
The P1258 diagnostic trouble code (DTC) specifically pertains to a 2018 Chevrolet Silverado and indicates that the Engine Coolant Overtemperature Protection Mode is active. This means that the engine coolant temperature has exceeded the specified limit, triggering the vehicle's protective measures to prevent damage to the engine. The Engine Coolant Overtemperature Protection Mode is designed to safeguard the engine from overheating by limiting power output and potentially shutting down certain systems to reduce heat generation.
Common Causes of P1258 2018 Chevrolet Silverado
- Malfunctioning thermostat
- Faulty cooling fan
- Low coolant levels
- Clogged radiator
- Malfunctioning water pump
Symptoms of P1258 2018 Chevrolet Silverado
- Engine overheating warning light illuminated on the dashboard
- Reduced engine power or acceleration
- Increased engine temperature gauge readings
- Engine misfires or stalling
- Coolant leakage or steam coming from the engine compartment
How to Fix P1258 2018 Chevrolet Silverado
- Check and replace the thermostat if faulty
- Inspect and repair or replace the cooling fan
- Check coolant levels and top up if necessary
- Flush the radiator to remove any blockages
- Inspect and repair or replace the water pump if necessary
Cost to Fix P1258 2018 Chevrolet Silverado
The cost estimate for repairing the P1258 code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of parts for this repair can range from $100 to $500, with labor costs ranging from $150 to $300. It's important to note that these estimates are general and can vary based on factors such as location, the severity of the issue, and the specific repair shop. It's advisable to obtain quotes from multiple repair shops to find the best price for the necessary repairs.
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