DTC P0502 Cadillac
VSS Circuit Low Input (4T80-E)
VSS Circuit Low Input (4T80-E)
Description
DTC P0121-P0123, P0503, P0716, P0717, P1820, P1822, P1823 and P1825 not set, engine started, ISS from 1000-5000 rpm, not in P N, system voltage over 10.0v, TP angle over 12%, engine runtime 5 seconds, DFCP not active, engine torque from 44-291 lb ft. , and
Cause and Solution
Output shaft rotor is chipped or damaged
OSS tip contains debris or metal shavings (an intermittent fault)
OSS positive (+) signal circuit is open or shorted to ground
OSS negative (-) signal circuit is open or shorted to ground
Video Guide
Diagnostic Info
- DTC Code: P0502
- Brand: Cadillac