DTC P188A-98: Differential Oil Temperature Too High/Too Low - Component or system over temperature: Notes
NOTE:
If this DTC has logged together with a ROM error DTC (P0605-00), the ROM: error is the likely root cause. Refer to the DTC helptext for DTC P0605-00 and rectify this fault first before proceeding further
- Rear differential oil temperature sensor value above 160°C
- Insufficient oil quantity
- Incorrect oil specification
- Rear differential oil temperature sensor - Internal failure