OBD Guide

P037C

Cold Start Camshaft Profile System Performance

P037C is an OBD-II diagnostic trouble code meaning: Cold Start Camshaft Profile System Performance. Common causes: low or poor quality engine oil, dirty or worn vvt solenoids. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Unstable idle after cold start
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Indication
  • Difficult cold start

Causes

  • Low or poor quality engine oil
  • Dirty or worn VVT solenoids
  • Mechanical damage to phase shifters
  • Malfunction of camshaft position sensors
  • VVT wiring harness problems
  • Engine ECU malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the operation of VVT solenoids
  3. Check the oil pressure in the system
  4. Check the integrity of the phase shifters
  5. Check the functionality of the camshaft position sensors
  6. Scan the ECU memory for other errors
  7. If necessary, replace faulty components

Related codes

Error P037C by Vehicle Brand

FAQ

What does the P037C code mean?

P037C is an OBD-II diagnostic trouble code that indicates: Cold Start Camshaft Profile System Performance

What causes a P037C error code?

The most common causes of P037C include: Low or poor quality engine oil; Dirty or worn VVT solenoids; Mechanical damage to phase shifters; Malfunction of camshaft position sensors.

How do I fix a P037C diagnostic trouble code?

To fix P037C: Check the level and condition of the engine oil. Diagnose the operation of VVT solenoids. Check the oil pressure in the system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P037C?

Limited driving only, diagnose soon

How much does it cost to fix P037C?

The estimated repair cost for P037C is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat