DTC P144C: Open in Secondary Air Injection System Heater Control Circuit; DTC P144D: Short in Secondary Air Injection System Heater Control Circuit [09/2015 - ]: Description
The ECM operates the air pump heater relay which causes the air pump heater to operate.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P144C | Open or short in the air pump heater relay circuit for 5 seconds (1 trip detection logic). |
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| P144D | Open or short in the air pump heater relay circuit for 5 seconds (1 trip detection logic). |
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