DTC P1804 code: Ground Control Relay (BUICK, CADILLAC, CHEVROLET, GMC) Transmission 4-Wheel Drive High Indicator Circuit Failure (FORD, LINCOLN, MERCURY). Fault type Drive system in category Faults related to non-electric vehicle components.
Error Code DTC / Diagnostic Trouble Code:
P1804.
Hexadecimal Code: 1804.
The orange color P1804 indicates car fault. What to do when the car started to show P1804 error. After starting the car a signal P1804 lights orange. What means P1804 in orange color. Auto P1804 error repair code.
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