B0015 Porsche Cayman Type 981 Diagnostic Trouble Code

B0015 Porsche Cayman Type 981 code definition:
B0015 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Porsche Cayman Type 981.

B0015 Porsche Cayman Type 981 is defined as Camshaft Position Sensor A Circuit Low. This means the CMP (camshaft position) sensor circuit on engine bank 1 sends an irregular reading. If the car doesn't start, they will proceed by testing the voltage at the fuel pump connector and see if the fuel pump relay, fuse, and PCM circuitry should be inspected.

Symptoms

Symptoms of a B0015 Porsche Cayman Type 981 diagnostic trouble code may include:
  • Hesitation upon acceleration
  • Excessive exhaust leak
  • Rich or lean exhaust
  • Reduction in engine performance, especially at low RPM levels
Place of B0015 in engine

Possible Causes :

  • A faulty oxygen sensor. This will set a code in itself, however, a faulty oxygen sensor does not automatically condemn the sensor. The code just means that the sensor signal was not within specifications. An air leak or any of the above will cause an erroneous signal. There is a multitude of O2 codes relating to O2 performance which gives a clue to the problematic area.
  • Some aftermarket accessories and performance modifications
  • Dirty air cleaner element Damaged DPF

Common Misdiagnoses

  1. Crankshaft Position Sensor Circuit Performance Problem
  2. TP Sensor Learn Not Complete Problem
  3. Low Coolant Circuit Problem
  4. Cruise Control System - Vehicle Accel Too High Problem
  5. Kick-Down Switch Failed Short Problem

Repair Processes :

With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the connectors. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code B0015 Porsche Cayman Type 981 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B0015 Porsche Cayman Type 981.

Fortunately, B0015 Porsche Cayman Type 981 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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