P1628 Diagnostic Trouble Code Discussion for September 2025
Sensor Reference Voltage 2 Circuit Erratic
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| Help Request | Posted | |
| 2018 Jeep Cherokee Latitude 2.4L Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: 1C4PJMCB4J P1628: Sensor Reference Voltage 2 Erratic. Hello fellas. I've got a good one here! This is extremely intermittent. When it acts up, two of the four 5-volt reference circuits get pulled down to nearly ground level. It only happens while driving, and will always clear up long before I have the chance... |
September 12, 2025 |
