Troubleshooting 4L60E transmissions
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==Basic details on troubleshooting the 4L60E transmission== | ==Basic details on troubleshooting the 4L60E transmission== | ||
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It takes some working knowledge of the electronically controlled transmission to determine if the problem is engine, transmission or chassis related. Some general questions to be answered are: | It takes some working knowledge of the electronically controlled transmission to determine if the problem is engine, transmission or chassis related. Some general questions to be answered are: | ||
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*Has the system been scanned for codes and code history? | *Has the system been scanned for codes and code history? | ||
| − | ==4L60 - | + | ==4L60 - TH700R4 - 4L60E drivability problems== |
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Has the transmission lost reverse? Has it also lost 2nd gear and 4th gear (overdrive)? | Has the transmission lost reverse? Has it also lost 2nd gear and 4th gear (overdrive)? | ||
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==Scanner== | ==Scanner== | ||
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A good quality scanner that can read codes, clear codes, and can read a live data stream as the transmission is controlled by the PCM is needed, not just a code reader device. | A good quality scanner that can read codes, clear codes, and can read a live data stream as the transmission is controlled by the PCM is needed, not just a code reader device. | ||
Some scanners can take over control of the transmission for a better diagnostic test of the operation as the vehicle is driven. | Some scanners can take over control of the transmission for a better diagnostic test of the operation as the vehicle is driven. | ||
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[[Category:Transmission]] | [[Category:Transmission]] | ||
[[Category:Undeveloped articles]] | [[Category:Undeveloped articles]] | ||
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