DTC | P1636 | Voltage Regulator Malfunction |
The Engine control module (ECM) is installed in the passenger compartment to protect it from external. The ECM with a lot of chips and circuits processes the input signals according to control algorithms. Voltage regulator in the ECM controls power supply to output transistor.
DTC No | Detecting Condition & Limp Home | Suspected area |
P1636 | Detecting Condition The power cut-off disability of lower regulator limit. The power cut-off disability of upper regulator limit. Enable Condition Ignition switch : ON Limp Home None | - ECM |
● Cancel the fault memory and perform test drive. ● If the fault cannot be cancelled, temporarily install a good ECM and check for proper operation. If problem is corrected, replace ECM. |
