W T E C I I I E L E C T R O N I C C O N T R O L S T R O U B L E S H O O T I N G M A N U A L
8. If the short is not found in either the transmission or the harness, the condition must be
9. Drain the fluid, remove the control module and closely inspect the internal harness for damage.
Repair or replace as necessary.
10. If the condition recurs, use a spare wire, if available, or provide a new wire (St. Clair P/N 200153
may be used for this purpose) for the solenoid circuit indicated by the trouble code.
11. If the condition persists, replace the ECU. If replacing the ECU corrects the problem, reinstall the
original (bad) ECU to confirm that the problem is in the ECU. If the original ECU now works,
inspect the ECU connectors for any corrosion or damage which may cause an intermittent
condition. If the original problem recurs, reinstall the replacement ECU.
CODE 42 XX SHORT-TO-BATTERY IN SOLENOID CIRCUIT (Figure 515)