DTC 666: DTC In Transmission Control Module (TCM)

WARNING: This page is about a different car, the 1997 Volvo 960. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For connector terminal and relay location identification, see Figure-Figure and WIRING DIAGRAMS article. For component locations, see COMPONENT LOCATIONS .

This DTC indicates whether there are one or more emission related DTCs stored in TCM. See appropriate AUTO TRANS DIAGNOSIS article in the AUTO TRANS DIAGNOSIS section.