DTC P0600:00 [L5]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSES

DTC P0600:00	Serial communication link
DETECTION CONDITION	The PCM internal malfunction. Diagnostic support note This is a continuous monitor (CCM) The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle. FREEZE FRAME DATA is available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	Battery voltage decrease PCM connector or terminal malfunction PCM malfunction

DTC P0600:00

Serial communication link

DETECTION CONDITION

The PCM internal malfunction.

Diagnostic support note

This is a continuous monitor (CCM)
The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA is available.
The DTC is stored in the PCM memory.

POSSIBLE CAUSE

Battery voltage decrease
PCM connector or terminal malfunction
PCM malfunction