LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 1992 >> Cherokee Base, 2D Utility, 2.5 P, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Self-Diagnostic Tests >> Test 7A - Bus Failure Messages
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test 7A - Bus Failure Messages

Select error message and corresponding test from BUS FAILURE MESSAGES table. Proceed to self-diagnostic test indicated. Each specific error message is diagnosed by following a specific testing sequence. It is not necessary to perform all tests to diagnose an individual error message.

BUS FAILURE MESSAGES

Message Test No.
BUS BIAS LEVEL TOO HIGH 14A 
BUS BIAS LEVEL TOO LOW 13A 
BUS (+) OPEN 16A 
BUS (-) OPEN 17A 
BUS (+) & (-) OPEN 18A 
BUS (+) & BUS (-) SHORTED TOGETHER 11A 
SHORT TO BATTERY 8A 
SHORT TO GROUND 10A 
SHORT TO 5 VOLTS 9A 
NO BUS BIAS 15A 
NOT RECEIVING BUS MESSAGES CORRECTLY 19A 
NO TERMINATION 12A