110
NOTE: If no active codes are present on the LCD or
verified through the Dealer Diagnostic Service and
the vehicle is experiencing steering-related issues,
there may be a mechanical steering-related issue. In
this case, the EPS is not the cause of the issue. Compo-
nents that may contribute to this type of issue could
be abnormal tire wear, bad wheel bearings, ball
joints, tie rod ends, tie rods, or bushings. Check the
complete steering system for any sign of wear or mis-
alignment.
NOTE: If any codes are active and verified with the
Dealer Diagnostic Service, EPS replacement is not
always necessary. Follow the instructions listed in the
chart to potentially correct the malfunction.
Code Fault Description Fault Condition Possible Cause EPS Fault Recovery Method
C1351 Motor Position Index
EPS internal motor position sensor
condition has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct EPS condition. Rotate
steering left/right, key OFF for 10
seconds minimum, then key ON.
C1352 Motor Position
Plausibility
EPS internal motor position sensor
condition has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct EPS condition. Rotate
steering left/right, key OFF for 10
seconds minimum, then key ON.
C1353 Motor Position Range
EPS internal motor position sensor
condition has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct EPS condition. Rotate
steering left/right, key OFF for 10
seconds minimum, then key ON.
C1354 Internal Voltage
Supply
EPS internal voltage supply
condition has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct the internal voltage supply
condition, key OFF for 10 seconds
minimum, then key ON.
C1355 Session Error
EPS power condition has been
detected.
System voltage variations. Wire harness
issue, faulty voltage regulator, weak battery
or loose battery terminals.
Correct the power supply condition,
key OFF for 10 seconds minimum,
then key ON. Check for EPS
updates.
C1356 Torque Sensor Open
Circuit
EPS internal torque sensor condition
has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct the internal torque sensor
condition, key OFF for 10 seconds
minimum, then key ON.
C1357 Torque Sensor Range
EPS internal torque sensor condition
has been detected.
Check for electrical/magnetic interference
around the steering system. Verify all
steering components move freely.
Correct the steering interference,
perform torque reset, key OFF 10
seconds minimum, then key ON.
C1358 Torque Sensor Over
Range
EPS internal torque sensor condition
has been detected.
Check for electrical/magnetic interference
around the steering system. Verify all
steering components move freely.
Correct the steering interference,
perform torque reset, key OFF 10
seconds minimum, then key ON.
C1359 Torque Sensor
Communication
EPS internal torque sensor condition
has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct the internal torque sensor
condition, key OFF for 10 seconds
minimum, then key ON.
C1360 Internal Processor
Error
EPS internal processor condition
has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Correct the internal processor
condition, key OFF for 10 seconds
minimum, then key ON.
C1361 Temperature Sensor
Circuit
EPS internal over-temp or out-of-
spec condition has been detected.
Clean the EPS housing and cooling fins. EPS will auto-recover when internal
temperature returns to normal.
C1362 Stuck at Bootloader
EPS internal application code CRC
calculation condition has been
detected.
EPS reflash has failed. Battery power was
lost or the key switch was turned off during
EPS reflash programming. Service unit has
not been programmed yet.
EPS must be reprogrammed.
C1363 Calibration Values Not
Programmed
Internal EPS calibration value
condition has been detected.
Internal EPS condition; check for EPS
software updates before replacing the EPS
unit.
Perform an EPS software reflash,
key OFF for 10 seconds minimum,
then key ON.
C1364 Calibration Checksum EPS internal calibration code
condition has been detected.
EPS reflash has failed. Battery power was
lost, or the key switch was turned off, during
EPS reflash programming.
EPS must be reprogrammed.
C1365 Application Checksum
EPS internal application code
condition has been detected.
EPS reflash has failed. Battery power was
lost or the key switch was turned off during
EPS reflash programming.
EPS must be reprogrammed.
C1366 Variant Coding Error EPS internal software code condition
has been detected.
Confirm EPS model number matches the
vehicle model. Check for EPS software
updates before replacing the EPS unit.
Perform an EPS software reflash,
key OFF for 10 seconds minimum,
then key ON.
C1367 Vehicle Speed
Based on engine RPM and gear
position, the EPS has detected an
incorrect or missing vehicle speed
CAN message.
Broken main harness CAN wires, defective
speed sensor, or broken speed sensor
wires.
EPS will auto-recover when the
vehicle speed signal returns to
normal.
C1368 ECM CAN Bus Error EPS to ECM CAN Bus
communication condition has been
detected.
Broken main harness CAN wires or
intermittent CAN connector connections.
Correct the CAN BUS Error
condition, key OFF for 10 seconds
minimum, then key ON.
C1369 Gauge CAN Bus Error
The gauge has lost CAN
communication with the EPS.
Broken main harness CAN wires or
intermittent CAN connector connections.
Correct the CAN BUS Error
condition, key OFF for 10 seconds
minimum, then key ON.
C1370 CAN Bus Error EPS CAN Bus communication
condition has been detected.
Broken main harness CAN wires or
intermittent CAN connector connections.
Correct the CAN BUS Error
condition, key OFF for 10 seconds
minimum, then key ON.
C1371 Over Temp Condition
EPS internal over-temp condition
has been detected.
Clean the EPS housing and cooling fins. EPS will auto-recover when internal
temperature returns to normal.
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