Transfer Case DTCS
TRANSFER CASE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | Source | Test |
|---|---|---|---|
| B1317 | Battery Voltage High | 4WD Control Module | Refer To SYSTEM TESTS in GENERATORS & REGULATORS article. |
| B1318 | Battery Voltage Low | 4WD Control Module | Refer To SYSTEM TESTS in GENERATORS & REGULATORS article. |
| B1342 | ECU is Defective | 4WD Control Module | CLEAR the DTCs. REPEAT the 4WD Control Module self-test. If DTC B1342 is retrieved, INSTALL a new 4WD Control Module. Refer To FOUR-WHEEL DRIVE (4WD) CONTROL MODULE . CLEAR the DTCs. REPEAT the self-test. |
| B1355 | Ignition Run Circuit Failure | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| B1483 | Brake Pedal Input Circuit Failure | 4WD Control Module | Go To PINPOINT TEST D: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH & 4WD LOW MODES CORRECTLY |
| B1485 | Brake Pedal Input Battery Short | 4WD Control Module | Go To PINPOINT TEST D: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH & 4WD LOW MODES CORRECTLY |
| B1555 | Ignition Run/Start Circuit Failure | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| C1728 | Transfer Case Unable to Transition Between 2WD HIGH & 4WD HIGH | 4WD Control Module | CARRY OUT the electronic shift function test. Refer To PINPOINT TEST A: ELECTRONIC SHIFT FUNCTIONAL TEST . |
| C1729 | Transfer Case Unable to Transition Between 4WD HIGH & 4WD LOW | 4WD Control Module | CARRY OUT the electronic shift function test. Refer To PINPOINT TEST A: ELECTRONIC SHIFT FUNCTIONAL TEST . |
| P0500 | Vehicle Speed Sensor (VSS) Malfunction | 4WD Control Module | Go To PINPOINT TEST D: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH & 4WD LOW MODES CORRECTLY |
| P1804 | Transmission 4WD HIGH Indicator Circuit Failure | 4WD Control Module | Refer To GAUGES & INSTRUMENT PANELS article. |
| P1806 | Transmission 4WD HIGH Indicator Short Circuit To Battery | 4WD Control Module | Refer To GAUGES & INSTRUMENT PANELS article. |
| P1808 | Transmission 4WD LOW indicator Circuit Failure | 4WD Control Module | Refer To GAUGES & INSTRUMENT PANELS article. |
| P1810 | Transmission 4WD LOW Indicator Short Circuit To Battery | 4WD Control Module | Refer To GAUGES & INSTRUMENT PANELS article. |
| P1812 | Transmission 4WD Mode Select Circuit Failure | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1815 | Transmission 4WD Mode Select Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1816 | Transmission Neutral Safety Switch Circuit Failure | 4WD Control Module | Go To PINPOINT TEST D: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH & 4WD LOW MODES CORRECTLY |
| P1819 | Transmission Neutral Safety Switch Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST D: VEHICLE DOES NOT SHIFT BETWEEN 4WD HIGH & 4WD LOW MODES CORRECTLY |
| P1849 | Transmission Transfer Case Contact Plate A Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1853 | Transmission Transfer Case Contact Plate B Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1857 | Transmission Transfer Case Contact Plate C Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1861 | Transmission Transfer Case Contact Plate D Short Circuit To Ground | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1867 | Transmission Transfer Case Contact Plate General Circuit Failure | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |
| P1891 | Transmission Transfer Case Contact Plate Ground Return Open Circuit | 4WD Control Module | Go To PINPOINT TEST C: VEHICLE DOES NOT SHIFT BETWEEN 2WD & 4WD MODES CORRECTLY |