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2017
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Lancer SE
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Repair and Diagnosis
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External Pages
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Different car
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Section 36 (Continuously Variable Transaxle (CVT) Diagnosis & On-Vehicle Service - With Diagnostics - Lancer)
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Diagnosis
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Diagnostic Trouble Code Procedures
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DTC P1637: Malfunction of Memory Backup
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Probable Causes
Probable Causes
WARNING:
This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Damaged wiring harness and connectors
Malfunction of TCM (Faulty EEPROM)