OBDII Code List

B1277 MERCURY - Reverse Lamp Circuit Short

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Reverse Lamp
  • Reverse Lamp harness is open or shorted
  • Reverse Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

Tech notes

B1277:11 Reverse Lamp Circuit Short To Ground
B1277:15 Reverse Lamp Circuit Short To Battery or Open

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1277 Mercury Description

The Body Control Module (BCM) monitors the Reverse Lamp. The OBDII sets when the BCM detects an excessive current draw or open from the reverse lamp output circuit.
OBDII Code B1277 Mercury - Reverse Lamp Circuit Short -

Need more help?

Get the B1277 Mercury code diagnosed by a professional: Find a repair shop in your area

Related Information

B1277 MERCURY Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B1277 Mercury code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧