Control Systems - B, C And U Codes - DTC Chart

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DIAGNOSTIC TROUBLE CODE (DTC) CHART - B, C AND U CODES

Diagnostic Trouble Code (DTC) Chart

NOTE:Most powertrain (P-code) DTCs are diagnosed in TROUBLESHOOTING 2.5L AND 3.0L. If the P-code retrieved is not listed below, See - PCM - DTC Index to continue diagnostics.
NOTE:The smart junction box (SJB) is also known as the generic electronic module (GEM).
NOTE:Some of these modules utilize a 5-character DTC followed by a 2-character failure-type code. The failure-type code provides information about specific fault conditions such as opens, or shorts to ground. Continuous memory DTCs have an additional 2-character DTC status code suffix to assist in determining DTC history.

B0001:1A-B0010:13:

B0010:2B-B0021-13:

B0021:1A-B0050:12:

B0050:1D-B0091:81:

B0091:93-B0097:11:

B00A0:4A-B0097:96:

B00DF:1D-B1137:

B11BA:1C-B1211:12:

B121C:01-B1251:

B12AB-B1257:

B12AD-B1317:

B1317-B1342:

B1342-B1510:

B1A01:01-B1870:

B1A05:01-B2103:

B2108-B2477:

B273A-B2868:

B287A-B2965:

B2A2A-B29B8:

B2A3A-B2A39 / C1001:01-C1236:

C1277-C1963:

C1991-C2780 / P065B-P1825:

PXXXX / U0001-U0129:

U0131-U0155:

U0155-U0193:00:

U0196-U0255:

U0255-U1901:

U201A:51-U2050:

U2050-U2473:

U261A-U3003:17: