P1290 Code - Cylinder Head Temperature Sensor Low Input
Quick Answer
The Cylinder Head Temperature (CHT) Sensor is mounted into the wall of the cylinder head and is not connected to any coolant passages. Common causes include Wrong thermostat, Engine overheated, Low engine coolant level. 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
- P1290 indicates Cylinder Head Temperature Sensor Low Input.
- Common causes
- Common causes include Wrong thermostat, Engine overheated, Low engine coolant level.
- 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.
Code P1290 Description
What are the Possible Causes of the DTC P1290?
- Wrong thermostat
- Engine overheated
- Low engine coolant level
- Faulty Cylinder Head Temperature (CHT) sensor
- Cylinder Head Temperature (CHT) sensor harness is open or shorted
- Cylinder Head Temperature (CHT) sensor circuit poor electrical connection
How to Fix the DTC P1290?
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 P1290 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.
Need more information about the P1290 code?
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Need Help with the Code?
Get the P1290 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1290 Audi — Engine Coolant Temperature Sensor High Input
- P1290 Chrysler — CNG Fuel System Pressure Too High Condition
- P1290 Dodge — CNG Fuel System Pressure Too High Condition
- P1290 Ford — Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290 Infiniti — Throttle Control Motor Relay Circuit Open Bank 2
- P1290 Isuzu — Electronic Throttle Control Forced Idle Mode
- P1290 Lincoln — Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290 Mazda — Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290 Mercury — Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
- P1290 Nissan — Throttle Control Motor Relay Circuit Open Bank 2
- P1290 Volkswagen — Engine Coolant Temperature Sensor High Input
Frequently Asked Questions about P1290 Code
No Frequently Asked Questions about P1290 Code found.
Discuss the causes and fixes for P1290 OBDII Code
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Hi I have a 2006 f150 and now I have a code p1290 and p1000 and I don't know what it means
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What is the engine size of your F150.
The P1290 code means that there is a problem with the Cylinder Head Temp Sensor, and that the sensor may need to be replace.
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