The "Check Engine" or "Service Vehicle Soon" light may appear.
The error code on an Isuzu (common in Thailand models like the D-Max or MU-X) generally refers to an ECU Hardware Internal Fault . When paired with a "hot" warning or indicator, it typically suggests that the vehicle's electronic control unit has detected an internal malfunction, often triggered or exacerbated by thermal stress . Understanding Error Code B101D30 isuzu isuzu thailand error b101d30 hot