DTC B1503-09: Exhaust Heat Management Component Failure [10/2022 - ]: Description
This DTC is stored and an engine coolant temperature warning is displayed when the combination meter assembly detects a malfunction in the temperature switch that is connected to the combination meter assembly via direct line.
HINT:
When this DTC is stored, the engine coolant temperature receiver gauge in the combination meter assembly indicates an engine coolant temperature of 125°C (257°F).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| B1503-09 | Exhaust Heat Management Component Failure | Diagnosis Condition:
Malfunction Status:
Malfunction Time:
|
|
Combination Meter | A |