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P1174: Cam Sensor Fault

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain

What Does P1174 Mean?

P1174 is a diagnostic trouble code indicating: Cam Sensor Fault. This code relates to the manufacturer-specific powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.

Common Causes

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"ENGINE LIGHT CONSTANTLY ON. DEALERSHIP DOES NOT KNOW WHAT IS WRONG. SHOWING CODE P1174 & NO ONE KNOWS WHAT THIS IS. POWER STEERING QUIT WORKING WHILE DRIVING ON CITY STREET.ESC LIGHT WILL TURN ON. DASHBOARD LIGHTS WILL GO ON AND OFF. DOORS WILL LOCK THEM SELVES LOCKING ME INSIDE.THIS IS HAPPENING SI"

— Chevrolet Malibu owner, 12/01/2017

Source: NHTSA Complaints Database

Most Reported Vehicles for P1174

Based on NHTSA owner complaint data.

# Vehicle Reports
1 CHEVROLET MALIBU

Frequently Asked Questions

Can I drive with this code?
It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.
Will this code clear itself?
Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.
How do I find the exact cause?
A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

  • 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
  • 🔧 Test the relevant sensor(s) with a multimeter before replacing
  • 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P1100 MAF Sensor Intermittent/ Check of all OBDII Systems Not Complete P1101 MAF Sensor Out Of Self Test Range./KOER Not Able To Complete KOER Aborted P1102 Mass Air Flow Sensor Signal Inconsistent With Throttle Position Sensor P1103 Mass Air Flow Sensor Signal Inconsistent With Engine Speed P1104 Oxygen Sensor Bank 1 Sensor 2 Voltage Too Low/Air Leak P1105 Open Or Shorted Condition Detected In The Baro Read Solenoid Control Circuit P1106 Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage P1107 Dual Alternator Lower Circuit Malfunction/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage P1108 Oxygen Sensor Heating Circuit Bank 2 Sensor 1 Output Too Low P1109 Oxygen Sensor Circuit Bank 2 Sensor 2 Voltage Too Low/Air Leak