U14xx OBD-II Codes (U1400–U1499)

U1400 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1401 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1402 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1403 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1404 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1405 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1406 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1407 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1408 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1409 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1410 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1411 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1412 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1413 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1414 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1415 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1416 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1417 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1418 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1419 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1420 critical

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1421 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1422 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1423 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1424 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1425 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1426 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1427 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1428 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1429 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1430 moderate

Implausible Data Received From Comfort Seat & Wheel Module (Chrysler/Dodge)

U1431 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1432 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1433 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1434 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1435 moderate

Manufacturer-specific communication code — definition not reliably documented; verify against your make's service information

U1436 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1437 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1438 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1439 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1440 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1441 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1442 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1443 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1444 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1445 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1446 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1447 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1448 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1449 moderate

Implausible ERS (Electronic Range Select) Message Received — TCM not getting a valid ERS CAN message (Dodge/RAM/Chrysler)

U1450 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1451 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1452 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1453 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1454 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1455 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1456 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1457 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1458 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1459 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1460 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1461 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1462 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1463 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1464 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1465 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1466 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1467 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1468 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1469 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1470 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1471 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1472 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1473 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1474 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1475 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1476 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1477 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1478 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1479 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1480 low

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1481 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1482 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1483 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1484 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1485 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1486 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1487 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1488 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1489 moderate

Implausible Data Received From RF Hub Module (Chrysler/Dodge/Jeep)

U1490 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1491 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1492 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1493 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1494 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1495 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1496 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1497 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1498 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information

U1499 moderate

Manufacturer-specific communication / control-module code — definition not reliably documented; its meaning varies by make, model, and year, so confirm it against your manufacturer's service information