Dtc C1091: Can Invalid Data From Ecm; Dtc C1096: Yaw Rate / G Sensor Message Counter Error - Suzuki SX4 Service Manual

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DTC C1091: CAN Invalid Data from ECM

DTC Detecting Condition and Trouble Area
DTC Detecting Condition
ECM sent invalid signal to ESP® control module.
DTC Troubleshooting
Step
1
Was "Electronic Stability Program Check" performed?
2
DTC check other control module than ESP®
1) Connect SUZUKI scan tool to DLC with ignition switch
turned OFF.
2) Turn ignition switch ON and check DTC for ECM.
Is there any DTC(s)?

DTC C1096: Yaw Rate / G Sensor Message Counter Error

DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Yaw rate / G sensor message counter error is detected by
ESP® control module.
DTC Troubleshooting
Step
1
Was "Electronic Stability Program Check" performed?
2
Check DTC
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch ON and check DTC.
Is there any DTC(s) other than C1038 and C1096?
Action
Action
Electronic Stability Program:
Trouble Area
• Engine control system
• ECM
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
Trouble Area
• CAN communication circuit
• Yaw rate / G sensor
• ESP® control module
Yes
Go to Step 2.
Go to applicable DTC
diag. flow.
4F-47
S7RW0A4604033
No
Go to "Electronic
Stability Program
Check".
Substitute a known-
good ESP® hydraulic
unit / control module
assembly and recheck.
S7RW0A4604034
No
Go to "Electronic
Stability Program
Check".
Substitute a known-
good yaw rate / G
sensor and recheck. If
DTC C1096 is still
detected, substitute a
known-good ESP®
hydraulic unit control
module assembly and
recheck.

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