Caliber L4-2.0L VIN B (2007)
Steering Angle Sensor: Technical Service Bulletins
Steering - ESP Lamp On Possible DTC C121A/C2205
NUMBER: 08-010-07
GROUP: Vehicle Performance
DATE: May 17, 2007
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN ARE AVAILABLE VIA THE INTERNET.
SUBJECT:
FLASH: DTC's C121A / C2205 - Steering Angle Sensor - Not Initialized / Internal
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Steering Angle Sensor (SAS) with new software.
MODELS:
2007
(JK)
Wrangler
2007
(JS)
Sebring
2007
(KA)
Nitro
2007
(MK49)
Compass
2007
(MK74)
Patriot
2007
(PM)
Caliber
NOTE:
This bulletin applies to vehicles built on or before April 12, 2007 (MDH 0412XX).
SYMPTOM/CONDITION:
The vehicle operator may experience an illumination of the Electronic Stability Program (ESP) lamp on the vehicle instrument cluster. The ESP lamp
illumination may be due to the following Diagnostic Trouble Codes (DTC's):
C121A - Steering Angle Sensor Not Initialized C2205 - Steering Angle Sensor Internal
This condition, and DTC's, may be intermittent. If the above DTC's occur during a drive cycle, then the ESP lamp will remain illuminated until the end
of that drive cycle (key off).
DIAGNOSIS:
Using a StarSCAN(R) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If
DTCs are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the vehicle operator describes or experiences the Symptom/Condition, perform the Repair Procedure.
