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Code 12 means the battery has been disconnected recently. Code 21 is an Oxygen Sensor code. Code 55 is fault code display completion code. Even though you have a code for the O2 sensor I would still get a proper diagnosis before you replace the sensor. Wiring and other factors can cause the code to set also.
What else can I help you with?
What does the '12 21' in 'AFI - Prelude 12 21' stand for?
12/21 is December 21. and December 21 is the winter solstice.
When was D.D.D. created?
D.D.D. was created on 2005-12-21.
When was Stay As You Are created?
Stay As You Are was created on 1979-12-21.
When was WUTV created?
WUTV was created on 1970-12-21.
When was How High released?
How High was released on 12/21/2001.
What do these codes mean for a 1994 Dodge spirit code 12 code 21 code 55?
12 is battery disconnencted recently 21 is oxygen sensor stays at center. 55 is end of message.
What is the smallest negative integer N that will make 12- N 55 true?
-43
What is 21 over 55 in simplest form?
55/21 = 213/21
What does code 12 and 55 mean on a 1997 Chrysler lhs?
12 : battery has been disconnected.55 : end of message.12 : battery has been disconnected.55 : end of message.
What is the product of 55 and 21?
It is: 55*21 = 1155
What is the quotient of 55 and 21?
21/55 = ~0.381818
What is the mean of 12 21 12 17 13 7?
the mean is 13.7
What is the mean of 21 19 12 18 and 20?
Mean (12, 18, 19, 20, 21) = 18
What is mean of 12 15 21?
16, 12+15+21 = 48/3 = 16
What is the difference between 55 and 21?
It is 55 minus 21 = 34
What is the simplest form for 5560?
If you mean 55/60 then it is 11/12
What is 12 add 9 add 15 add 13 add 6 is?
12+9=21 21+15=36 36+13=49 49+6=55
