OBD Guide

P1999

Friction Too High Exhaust Camshaft Adjustment Bank 2

P1999 is an OBD-II diagnostic trouble code meaning: Friction Too High Exhaust Camshaft Adjustment Bank 2. Common causes: insufficient engine oil pressure, contamination or wear of the vvt mechanism. Estimated repair cost: $56–278.

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

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Characteristic knocking or noise from the timing belt area

Causes

  • Insufficient engine oil pressure
  • Contamination or wear of the VVT mechanism
  • VVT solenoid valve malfunction
  • Contamination of oil channels of the VVT system
  • Problems with the wiring harness or connectors

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose oil pressure in the system
  3. Check the operation of the VVT solenoid valve
  4. Inspect the phase change mechanism for wear
  5. If necessary, replace the VVT mechanism

Related codes

FAQ

What does the P1999 code mean?

P1999 is an OBD-II diagnostic trouble code that indicates: Friction Too High Exhaust Camshaft Adjustment Bank 2

What causes a P1999 error code?

The most common causes of P1999 include: Insufficient engine oil pressure; Contamination or wear of the VVT mechanism; VVT solenoid valve malfunction; Contamination of oil channels of the VVT system.

How do I fix a P1999 diagnostic trouble code?

To fix P1999: Check the level and condition of the engine oil. Diagnose oil pressure in the system. Check the operation of the VVT solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1999?

Limited driving only, diagnose soon

How much does it cost to fix P1999?

The estimated repair cost for P1999 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat