Transmission Control Module ECU Reset Extended Low Voltage
Table of contents
P1DB9 JEEP Possible Causes
- Faulty charging system
- Faulty Transmission Control Module (TCM)
How do I fix code P1DB9 JEEP?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1DB9 JEEP code
The cost of diagnosing the P1DB9 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1DB9 JEEP Description
The purpose of the diagnostic is to ensure power flow after a Transmission Control Module (TCM) reset during a mechanical limp-in action or after an under voltage reset due to a low voltage condition of the TCM source voltage. The diagnostic is performed once during the reset initialization.