SECTION 5—DIAGNOSTIC TROUBLE CODES (DTC)

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1000 AND 2000 PRODUCT FAMILIES TROUBLESHOOTING MANUAL allison 4th GENERATION CONTROLS. SECTION 5 DIAGNOSTIC TROUBLE CODES (DTC). 5 1. DTC MEMORY. Diagnostic TROUBLE CODES (DTCs) are logged in a list in TCM memory. The DTCs contained in the list have information recorded as shown in Table 5 1 (DTC example). The TCM is capable of displaying all historical and active DTCs. Table 5 1. DTC List Active Check Failure DTC Indicator Historic Trans Record Description P0713 Y Y N Y Transmission Fluid Temperature Sensor Circuit High Input The following paragraphs define the different parts of the DTC list.

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