Allison

Allison 3000 & 4000 Gen 4 Fault Code: P0883 TCM...

DIAGNOSTIC RESPONSE:None CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) requires direct battery voltage input to operate. This test monitors for high battery voltage to the TCM on terminals 10 and 70....

Allison 3000 & 4000 Gen 4 Fault Code: P0882 TCM...

DIAGNOSTIC RESPONSE:DNS, SOLD OFF (hydraulic default) CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) requires direct battery voltage input to operate. This test monitors for low battery voltage to the TCM on...

Allison 3000 & 4000 Gen 4 Fault Code: P0881 TCM...

DIAGNOSTIC RESPONSE:None CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) requires direct battery voltage input to operate. This test monitors for low or excessive swings in battery voltage to the TCM on...

Allison 3000 & 4000 Gen 4 Fault Code: P0880 TCM...

DIAGNOSTIC RESPONSE:No CIRCUIT DESCRIPTION:The Transmission Control Module (TCM) requires direct battery voltage input to operate. This test detects abnormal power down of battery voltage to the TCM on terminals 10...

Allison 3000 & 4000 Gen 4 Fault Code: P0848 Tra...

DIAGNOSTIC RESPONSE:None CIRCUIT DESCRIPTION:The difference between main pressure (before the filter) and Torque Converter Clutch (TCC) lockup pressure determines whether to stroke or destroke the Filter Life Indicator (FLI) pressure...

Allison 3000 & 4000 Gen 4 Fault Code: P0847 Tra...

DIAGNOSTIC RESPONSE:None CIRCUIT DESCRIPTION:The difference in pressure between main (before the filter) and Torque Converter Clutch (TCC) lockup determines whether to stroke or destroke the Filter Life Indicator (FLI) pressure...