01 Why disc and drum brakes are used in the front and rear res… • 02 Mechanics Warn This One Habit Completely Destroys Automatic… • 03 Is Korean Automotive Culture the Future of Mass Market Cars • 04 Is WD-40 Good for Car Locks? The Truth Revealed • 05 What Determines Horsepower in a Car, the Engine or ECU? • 06 11 Reasons Your Car Won't Start and How to Resolve Them • 07 How to Diagnose a Car That Won't Start In 6 Easy Steps • 08 Understanding Engine Thermostat: A Comprehensive Guide • 09 This Is Why Car Thieves Check Your Mirrors For Valuables • 10 What Causes Your Car's Steering Wheel to Become Difficult W… •

DTC codes / P00xx · Fuel and air metering and auxiliary emission controls / P000D

P000DB Camshaft Position Slow Response Bank 2

P000D indicates that the powertrain control module has detected an abnormally slow response from the bank 2 camshaft position sensor circuit, meaning the signal from the 'B' camshaft (typically the exhaust cam on V6/V8 engines) is not changing as quickly as the computer expects during engine operation. The computer compares the camshaft signal to the crankshaft signal and sets this code when the correlation falls outside the expected timing window for a calibrated period.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaFuel and air metering and auxiliary emission controls

Symptoms you may notice

  • Illumination of the check engine light, often with no other noticeable symptoms
  • Rough idle or intermittent engine stumble, especially when cold
  • Reduced engine power or sluggish acceleration due to retarded cam timing
  • Poor fuel economy or increased emissions
  • Hard starting or extended cranking time
  • In rare cases, a no-start condition if the cam signal is lost completely

Common causes, most likely first

  1. Worn or contaminated engine oil causing the camshaft phaser to respond slowly
  2. Faulty bank 2 camshaft position sensor or damaged sensor wiring/connector
  3. Sticking or clogged oil control valve (OCV) for the bank 2 camshaft phaser
  4. Internal varnish or sludge buildup in the phaser or oil passages
  5. Timing chain stretch or misalignment affecting cam-to-crank correlation
  6. Low oil pressure or oil level, reducing phaser response speed
  7. Rarely, a faulty powertrain control module (PCM) or reflash needed

How to diagnose and fix it

  1. Check engine oil level and condition; change oil and filter if overdue or contaminated
  2. Inspect the bank 2 camshaft position sensor and its wiring for damage, corrosion, or loose connections
  3. Use a scan tool to monitor live camshaft and crankshaft position data for erratic or slow response
  4. Remove and clean or replace the bank 2 oil control valve (OCV) and check for sludge
  5. Verify oil pressure with a mechanical gauge to rule out low pressure affecting phaser operation
  6. Inspect timing chain and phaser components for wear or misalignment if oil-related fixes do not resolve
  7. Clear codes and perform a road test to confirm the repair, reflashing the PCM if a software update is available

Why oil quality drives this code

  • A slow cam response is frequently caused by degraded oil rather than a failed sensor, so always check oil condition before replacing parts.
  • The 'B' camshaft often refers to the exhaust cam on V6/V8 engines, but its exact location varies by manufacturer, so consult the specific service information.
  • A stretched timing chain can mimic a faulty cam sensor, and replacing the sensor alone will not fix the underlying correlation error.
  • Some vehicles require a PCM reflash to correct overly sensitive cam response thresholds, especially after a phaser replacement.
  • Intermittent wiring faults at the cam sensor connector can set P000D without any driveability symptoms, so wiggle-test the harness while monitoring live data.

Can I keep driving with P000D?

You can generally drive the vehicle short distances to a repair shop, but avoid aggressive acceleration or heavy loads because slow cam response can cause poor performance and increased emissions. If the engine runs rough or stalls, stop driving and have it towed to prevent further damage.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage