DTC P2457 - EGR Cooler A Efficiency Below Threshold
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DTC DESCRIPTION P2457 - EGR COOLER A EFFICIENCY BELOW THRESHOLD
| Description: | This DTC sets when the difference between the expected temperature of the exhaust gas and the actual exhaust gas recirculation temperature bank 1, sensor 2 (EGRT12) value is greater than a calibrated amount. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HE . | ||