MechanicDB
Fault Family System: Powertrain (P-Codes) 41 SAE Codes

VVT Timing Performance

Diagnostic & Technical Explanation
Code P0011 (A Camshaft Position - Timing Over-Advanced or System Performance Bank 1) sets when a camshaft phaser reaches a timing position beyond commanded limits or becomes stuck rather than responding to duty-cycle commands. Root causes are sludge or low oil pressure starving the phaser, a worn phaser with excessive internal slack, a stuck oil control valve, or a mis-timed chain/belt from prior service.

These 41 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 41 times.

Codes in this family (41)

CodeDefinitionRepair coverage
P0011A Camshaft Position - Timing Over-Advanced or System Performance Bank 14 ranked fixes
P0012A Camshaft Position - Timing Over-Retarded Bank 14 ranked fixes
P0014B Camshaft Position - Timing Over-Advanced or System Performance Bank 14 ranked fixes
P0015B Camshaft Position - Timing Over-Retarded Bank 14 ranked fixes
P0021A Camshaft Position - Timing Over-Advanced or System Performance Bank 24 ranked fixes
P0022A Camshaft Position - Timing Over-Retarded Bank 24 ranked fixes
P0024B Camshaft Position - Timing Over-Advanced or System Performance Bank 24 ranked fixes
P0025B Camshaft Position - Timing Over-Retarded Bank 24 ranked fixes
P003CA Camshaft Profile Actuator A Control Performance/Stuck Off Bank 14 ranked fixes
P003DA Camshaft Profile Actuator A Control Stuck On Bank 14 ranked fixes
P003EA Camshaft Profile Actuator A Control Performance/Stuck Off Bank 24 ranked fixes
P003FA Camshaft Profile Actuator A Control Stuck On Bank 24 ranked fixes
P005AB Camshaft Profile Actuator A Control Performance/Stuck Off Bank 14 ranked fixes
P005BB Camshaft Profile Actuator A Control Stuck On Bank 14 ranked fixes
P005CB Camshaft Profile Actuator A Control Performance/Stuck Off Bank 24 ranked fixes
P005DB Camshaft Profile Actuator A Control Stuck On Bank 24 ranked fixes
P037CCold Start Camshaft Profile System Performance4 ranked fixes
P03EFA Camshaft Profile Actuator C Control Performance/Stuck Off Bank 14 ranked fixes
P03F0A Camshaft Profile Actuator C Control Stuck On Bank 14 ranked fixes
P03F4B Camshaft Profile Actuator C Control Performance/Stuck Off Bank 14 ranked fixes
P03F5B Camshaft Profile Actuator C Control Stuck On Bank 14 ranked fixes
P052ACold Start A Camshaft Position Timing Over-Advanced Bank 14 ranked fixes
P052BCold Start A Camshaft Position Timing Over-Retarded Bank 14 ranked fixes
P052CCold Start A Camshaft Position Timing Over-Advanced Bank 24 ranked fixes
P052DCold Start A Camshaft Position Timing Over-Retarded Bank 24 ranked fixes
P054ACold Start B Camshaft Position Timing Over-Advanced Bank 14 ranked fixes
P054BCold Start B Camshaft Position Timing Over-Retarded Bank 14 ranked fixes
P054CCold Start B Camshaft Position Timing Over-Advanced Bank 24 ranked fixes
P054DCold Start B Camshaft Position Timing Over-Retarded Bank 24 ranked fixes
P05CCCold Start A Camshaft Position Timing Performance Bank 14 ranked fixes
P05CDCold Start A Camshaft Position Timing Performance Bank 24 ranked fixes
P05CECold Start B Camshaft Position Timing Performance Bank 14 ranked fixes
P05CFCold Start B Camshaft Position Timing Performance Bank 24 ranked fixes
P2B4FA Camshaft Profile Actuator B Control Performance/Stuck Off Bank 14 ranked fixes
P2B50A Camshaft Profile Actuator B Control Performance/Stuck Off Bank 24 ranked fixes
P2B51B Camshaft Profile Actuator B Control Performance/Stuck Off Bank 14 ranked fixes
P2B52B Camshaft Profile Actuator B Control Performance/Stuck Off Bank 24 ranked fixes
P2B53A Camshaft Profile Actuator B Control Stuck On Bank 14 ranked fixes
P2B54A Camshaft Profile Actuator B Control Stuck On Bank 24 ranked fixes
P2B55B Camshaft Profile Actuator B Control Stuck On Bank 14 ranked fixes
P2B56B Camshaft Profile Actuator B Control Stuck On Bank 24 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here: