Power Liftgate Chime Output Circuit Short To Battery
Table of contents
B2903 MERCURY Possible Causes
- Faulty Chime
- Chime harness is open or shorted
- Chime circuit poor electrical connection
- Faulty Liftgate/Trunk Module (LTM)
How do I fix code B2903 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.
Cost of diagnosing the B2903 MERCURY code
The cost of diagnosing the B2903 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)
B2903 MERCURY Description
The Power Liftgate Chime is controlled by the Liftgate/Trunk Module (LTM). To activate the chime, the LTM supplies a high frequency voltage and ground. If the feedback voltage is greater than 3.3VDC for more than 500ms, chime activation is disabled and the LTM sets this Diagnostic Trouble Code (DTC).