Immediate Shutdown Signal B Circuit Short
Table of contents
P1A15 MERCURY Possible Causes
- Faulty Battery Energy Control Module (BECM)
- Battery Energy Control Module harness is open or shorted
- Battery Energy Control Module circuit poor electrical connection
- Faulty Electronically Controlled Continuously Variable Transmission (eCVT)
How do I fix code P1A15 MERCURY?
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.
Tech Notes
- P1A15:11 Immediate Shutdown Signal B Circuit Short to Ground
- P1A15:12 Immediate Shutdown Signal B Circuit Short to Battery
- P1A15:15 Immediate Shutdown Signal B Circuit Short to Battery or Open
Cost of diagnosing the P1A15 MERCURY code
The cost of diagnosing the P1A15 MERCURY 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)
P1A15 MERCURY Description
The Transmission Control Module (TCM) monitors immediate shutdown inputs from the Battery Energy Control Module (BECM). When the TCM detects an input out of the expected range, the BECM will set this Diagnostic Trouble Code (DTC).