DTC P050B-00: Cold Start Ignition Timing Performance Problem: Notes

DTC P050B:00	Cold start ignition timing performance problem
DETECTION CONDITION	PCM internal RAM malfunction. Diagnostic support note This is a continuous monitor (cold start emission reduction strategy monitoring). The check engine light illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM. PENDING CODE is available if the PCM detects the above malfunction condition during first drive cycle. FREEZE FRAME DATA (Mode 2)/Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	PCM internal RAM malfunction
System Wiring Diagram	Not applicable