NOTE: Before you troubleshoot, review the general troubleshooting information.
DTC (EPS)
1. Problem verification.
Clear DTCs
Is DTC C0051-96 or C0063-96 indicated?
YES
The failure is duplicated. Go to VSA system troubleshooting.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
DTC C1400-13, C1400-14, C1400-1D, C1403-14, C1403-29, C1404-11, C1404-13, C1405-11, C1405-13, C1406-11, C1406-13, U3000-49, U3000-55
NOTE: Before you troubleshoot, review the general troubleshooting information.
DTC (EPS)
1. Problem verification.
Clear DTCs
Is DTC C1400-13, C1400-14, C1400-1D, C1403-14, C1403-29, C1404-11, C1404-13, C1405-11, C1405-13, C1406-11, C1406-13, U3000-49, or U3000-55 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
2. EPS control unit check (update).
Is DTC C1400-13, C1400-14, C1400-1D, C1403-14, C1403-29, C1404-11, C1404-13, C1405-11, C1405-13, C1406-11, C1406-13, U3000-49, or U3000-55 indicated?
YES
Check for loose terminals and poor connections in the EPS control unit connectors. If the EPS control unit was updated and the symptom/indication is still present, replace the EPS motor/control unit.
NO
Troubleshooting is complete.
DTC C1420-29, C1421-14, C1422-14, C1423-14
NOTE: Before you troubleshoot, review the general troubleshooting information.
DTC (EPS)
1. Problem verification.
Clear DTCs
Is DTC C1420-29, C1421-14, C1422-14, or C1423-14 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
2. EPS motor/control unit check (substitution).
Clear DTCs
Is DTC C1420-29, C1421-14, C1422-14, or C1423-14 indicated?
YES
Replace the steering column.
NO
Replace the original EPS motor/control unit.
DTC C1432-62
NOTE:
DTC (EPS)
1. Problem verification.
Clear DTCs
NOTE: Drive the vehicle on the road, not on a lift.
Is DTC C1432-62 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
2. Vehicle speed signal check.
Is 0 km/h (0 mph) indicated?
YES
Go to step 3.
NO
Check online for the latest software or service information related to the DTCs or symptoms you are troubleshooting or substitute a known-good PCM, then go to step 1 and recheck. If the PCM was updated and DTCs are not indicated, troubleshooting is complete. If the PCM was substituted and DTCs are not indicated, replace the original PCM.
3. Open wire check (F-CAN_H, F-CAN_L lines).
NOTE: Always short the SCS line with the HDS before removing PCM connector(s).
SCS Short
EPS control unit connector B (6P)
PCM connector A (51P)
Is there continuity?
YES
The F-CAN_H and F-CAN_L wires are OK. Go to step 4.
NO
Repair an open in the F-CAN_H and/or F-CAN_L wires between the EPS control unit and the PCM.
4. EPS control unit check (update).
EPS control unit connector B (6P)
PCM connector A (51P)
NOTE: Drive the vehicle on the road, not on a lift.
Is DTC C1432-62 indicated?
YES
Check for loose terminals and poor connections at the EPS control unit connectors. If the EPS control unit was updated and the symptom/indication is still present, replace the EPS motor/control unit.
NO
Troubleshooting is complete.