Section 18.2 analysis the Diagnostic Codes

Codes deserve to be read using the speed method, with the Diagnostic Data leader (DDR) or through Detroit Diesel Diagnostic Link® (DDDL) software.‪

Codes space either active or inactive. Active codes are the codes which are at this time keeping the amber or red warning lamp on. Energetic codes are flashed via the SEL/RSL. Inactive codes are all the codes previously logged in the ECM/ECU. This codes can be cleared by utilizing the DDR. Inactive codes are flashed via the CEL/AWL.‪

Note: If you are here to start diagnosis the a trouble and currently know exactly how to check out codes, as well as understand energetic and inactive codes, refer to "18.3 an initial Step because that Diagnosing a fault Within the DDEC System" .

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Section 18.2.1 flash Codes

The following steps explain the flash method to interpret diagnostic codes:‪

Note: The Diagnostic request Switch reads codes on the CEL/AWL and SEL/RSL as soon as an DDR is not available. The following steps will enable you to acquire codes.

Turn auto ignition move ON.Press and also hold the Diagnostic request Switch. Together an example, observe password 13 (active) and also Code 21 (inactive) flashing the end on the CEL/AWL and SEL/RSL; see number "Flash password Method" .

Figure 1. Flash password Method

If your application has an SEO/Diagnostic inquiry Switch because that input, press and also release the switch.If her application has actually a Diagnostic inquiry Switch for input, press and also hold switch.

Note: energetic codes room flashed in ascending number flash password order. Inactive codes space flashed in many recent to the very least recent order.

Fault codes deserve to only be cleared utilizing the DDR.‪

Note: remove the battery cables will not clean codes.

Section 18.2.2 Reading Codes v the Diagnostic Data Reader

Flash password are offered for operator convenience to advise of an engine error or sensor failure. SAE details codes are review with the Diagnostic Data reader (DDR). In part cases, one speed code might be used to cover more than one component fault. Hence the DDR (or Diagnostic Data Link, DDL) need to be used to identify the specific code.‪

For instructions for making use of the DDR or Pro-Link® 9000, ( see figure "Pro-Link 9000" ), describe the Pro-Link customers Manual. For a perform of flash Codes and SAE fault Codes, refer to "18.4 code Descriptions" . ‪


Figure 2. Pro-Link 9000

The Diagnostic Code menu selections are characterized as follows.‪

Active codesInactive codesClear codes

Start with the Menu an option screen. ‪

To contact up energetic codes, choose ENGINE and ENTER three times.‪

To call up inactive codes:‪

Select ENGINE and also ENTER twice.Select INACTIVE CODES and also ENTER.

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To clear codes:‪

Select ENGINE and push go into twice.Go down and also select clean CODES and also ENTER.Left to YES, and also ENTER.Wait and then push FUNC 3 times.Go come lines 1 and also 2 that the Engine Data List, energetic and Inactive Codes, and verify that both lines display NO.Section 18.2.3 FAULT CODES and DDDL

The fault Codes window is shown when you select “Fault Codes” native the Diagnostics menu. See number "Fault code Window" .‪


Figure 3. Fault code Window

The adhering to fault code window information covers every DDDL versions:‪

The light pear symbol ~ above the left indicates if the code is tho active.The home window displays both the DDEC flash code and the SAE code notation (SID or PID and the FMI). The engine hour once the code first occurred is displayed.If the code is historic, the engine hour when the password last appeared is displayed as well, along with the total duration time that the password for every counts logged.You may accessibility the troubleshooting help guide because that a particular code by highlighting the code you great to job-related on with a single left mouse click and then choosing the Troubleshooting aid option.
Series 60 DDEC V Troubleshooting guide - 6SE570