C12xx OBD-II Codes (C1200–C1299)
61 fault codes in the C12xx range. Click any code for causes, diagnostic steps, severity, and common fixes.
C1200 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1201 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1202 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1203 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1204 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1205 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1206 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1207 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1208 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1209 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1210 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1211 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1212 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1213 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1214 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1215 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1216 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1217 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1218 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1219 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1220 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1221 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1222 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1223 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1224 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1225 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1226 critical
Manufacturer-specific (Ford: Brake-Lamp Warning Output Circuit Short to Ground; GM: Right-Front Excessive Wheel-Speed Variation)
C1227 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1228 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1229 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1230 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1231 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1232 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1233 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1234 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1235 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1236 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1237 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1238 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1239 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1240 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1241 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1242 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1243 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1244 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1245 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1246 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1247 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1248 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1249 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1250 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1251 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1252 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1253 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1254 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1255 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1256 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1257 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1258 moderate
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1259 low
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information
C1260 critical
Manufacturer-specific chassis code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information