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PCM Diagnostics Trouble Code (DTC) Index

PCM DIAGNOSTICS TROUBLE CODE (DTC) INDEX

DTC Description Source Action
P0442 Small leak detected in EVAP system (as small as 1.02 mm [0.040 inch]) PCM Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM .
P0455 Major leak or no flow detected PCM Go To PINPOINT TEST B: DTC P0455 MAJOR LEAK OR NO FLOW DETECTED OR DTC P1443 VERY SMALL OR NO PURGE FLOW DETECTED IN SYSTEM .
P1443 Very small or no purge flow detected PCM Go To PINPOINT TEST B: DTC P0455 MAJOR LEAK OR NO FLOW DETECTED OR DTC P1443 VERY SMALL OR NO PURGE FLOW DETECTED IN SYSTEM .
P1450 Excessive vacuum detected in the fuel tank PCM Go To PINPOINT TEST C: DTC P1450 EXCESSIVE VACUUM DETECTED IN THE FUEL TANK .
- Any other PCM DTC PCM Refer to the INTRODUCTION article in ENGINE PERFORMANCE. .
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