Fault Code 167: Accelerator Pedal Kickdown Switch
J1939: SA 3 SPN 559 FMI 13, 19, 20
Overview
The Transmission Control Module (TCM) receives the vehicle's Accelerator Pedal Kickdown Switch message over the Primary Data Link. The Accelerator Pedal Kickdown Switch provides the TCM with the driver's demand to operate the vehicle.
Detection
The TCM monitors the Accelerator Pedal Kickdown Switch message. If an invalid message is received, the TCM sets the fault code Active.
Conditions to Set Fault Code Active
FMI 13 - Out of Calibration: Accelerator Pedal Kickdown Switch message not available for 5 seconds.
FMI 19: Received Network Data in Error: Accelerator Pedal Kickdown Switch message invalid for 5 seconds.
FMI 20 - Data Drifted High: Accelerator Pedal Kickdown Switch message not received for 5 seconds.
Fallback
FMI 13, 19, 20:
- Amber warning lamp on
- No degraded modes
- Accelerator Pedal Kickdown Switch may be inoperative
Conditions to Set Fault Code Inactive
FMI 13, 19, 20: Accelerator Pedal Kickdown Switch message.
Possible Causes
FMI 13, 19, 20:
- Vehicle Components
- Module(s)
- Accelerator Pedal Kickdown Switch
- J1939 Data Link
Additional Tools
- None
Fault Code 167 Troubleshooting
Record the transmission fault codes, FMIs, occurrences, and timestamps from the Service Activity Report created during the Diagnostic Procedure.
If Fault Code 167 is Inactive and there are other Active vehicle or transmission fault codes, troubleshoot all Active fault codes. Go to Step V
If Fault Code 167 FMI 13 is Active, refer to OEM and enable vehicle Accelerator Pedal Kickdown Switch SPN 559. Go to Step V
If Fault Code 167 FMI 13 is Inactive, Go to Step V
If Fault Code 167 FMI 19 or 20 is Active or Inactive, refer to OEM guidelines regarding Accelerator Pedal Kickdown Switch repair or replacement. Go to Step V
Key off.
Reconnect all connectors and verify that all components are properly installed.
Key on with engine off.
Connect ServiceRanger.
Go to “Fault Codes”.
Select “Clear All Faults”.
Operate vehicle and attempt to reset the fault code or duplicate the previous complaint.
Check for fault codes using ServiceRanger.
If no fault codes set and the vehicle operates properly, test complete.
If Fault Code 167 sets Active during operation, Go to Step A
If a fault code other than 167 sets Active, troubleshoot per Fault Code Isolation Procedure Index.