CT4

674 service bulletins filed with NHTSA for this model year

• May 21, 2026UNKNOWN OR OTHERPIT6215C

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

• May 21, 2026UNKNOWN OR OTHERPIP6115

  The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.

• Apr 25, 2026UNKNOWN OR OTHERPIT6511

  This Preliminary information communicates an issue with a replace or low FOB battery message

• Apr 1, 2026UNKNOWN OR OTHERPIT3271Q

  This preliminary information communicates information about how to determine if a wheel and tires size change is available.

• Mar 9, 2026UNKNOWN OR OTHERPIP6104

  This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

• Mar 9, 2026UNKNOWN OR OTHERPIP4902V

  This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

• Mar 2, 2026UNKNOWN OR OTHERPIT6425D

  This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

• Feb 12, 2026UNKNOWN OR OTHERPIP5865L

  This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.

• and 666 more

Source: NHTSA manufacturer communications (technical service bulletins).