P1870 ISUZU – Transmission Component Slipping

P1870 ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1870 ISUZU Possible Causes

Trailer towing may set code,Check transmission fluid level,Internal transmission fault

P1870 ISUZU Description

Transmission is in 4th gear with Torque Converter Clutch (TCC) engaged and the Engine Control Module (ECM) has detected excessive slippage when comparing the input shaft speed to the output shaft speed