Home >> Mitsubishi >> 2017 >> RVR ES, Standard Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) - F1CJC/W1CJC - On-Vehicle Service - With Diagnostics >> Diagnosis >> Diagnostic Trouble Code Procedures >> DTC P1637: Malfunction of Memory Backup >> DTC Set Conditions >> Check Condition