A/T Controls - Erroneous 'Select P Or N To Start' Mssg.
Retailer Technical Journal 20857AW TF80SC: message in Driver Information Module (DIM), 'Select P or N to start'
Date 4-15-2009
Reference: VIDA, VSTG, RTJ 16761
Note!
If using a printed copy of this Retailer Technical Journal, first check for the latest online version.
AFFECTED VEHICLES
DESCRIPTION:
On the vehicles listed in the header with the T6 engine only (engine 99), customers may complain of a message in the DIM that reads, 'Select P or N to start' when gear selector is already in Park or Neutral.
SERVICE:
There is a Transmission Control Module (TCM) software (SW) Upgrade available (see RTJ16761) but the following fault tracing should be followed first. After the fault tracing has been followed and after repairs/adjustments/calibrations are made (if any), the TCM Upgrade should be downloaded.
Check for paper or other conflict with the gear position sensor selector. The selector can be accessed according to VIDA:
INFORMATION
REPAIR
Removal, replacement, and installation
Transmission
Gear lever carrier
Gear lever carrier, gear selector controls
Gear position sensor, gear selector assembly
Check for the correct adjustment of the gear position sensor selector according to VIDA:
INFORMATION
REPAIR
Removal, replacement, and installation
Transmission
Gear lever carrier
Gear lever carrier, gear selector controls
Gear position sensor, gear selector assembly
Check for the correct mounting of the shift lock solenoid according to VIDA:
INFORMATION
REPAIR
Removal, replacement, and installation
Transmission
Gear lever carrier
Gear lever carrier, gear selector controls
Solenoid gear selector assembly
Check for the correct adjustment of the gear selector cable according to VIDA:
INFORMATION
REPAIR
Cleaning, inspection, and adjustment
Transmission
Gear lever carrier
Gear lever carrier, gear selector controls
Gear selector cable, adjusting
Check for proper calibration of the TCM and for function of the gear position sensor inside the TCM according to VIDA:
DIAGNOSTICS
VEHICLE COMMUNICATION
TCM
Advanced
Calibration of the gear position sensor
Check for proper function of the Gear Selector Module (GSM).
DIAGNOSTICS
VEHICLE COMMUNICATION
TCM
Parameters
Start lock request status (must read "Start approved" when shifter is in Park or Neutral) Gearlever P-position (must say "Gearlever in P-position" when shifter is in Park)
After the fault tracing has been followed and after repairs/adjustments/calibrations are made (if any), the TCM Upgrade should be downloaded.
WARRANTY CLAIM INFORMATION