Pinpoint Test G: Internal Module Diagnostic Trouble Codes (DTCS)
WARNING: This page is about a different variant/trim than selected.
- Normal Operation and Fault Conditions
The GSM carries out periodic tests on itself. It sets a DTC if any of the results are outside of normal operating standards.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition GSM P0605:00 Internal Control Module Read Only Memory (ROM) Error: No Sub Type Information The GSM detected a ROM checksum error. GSM P0606:00 Control Module Processor: No Sub Type Information The GSM detected a reset without going through a proper sleep cycle. GSM P0607:00 Control Module Performance: No Sub Type Information The GSM detected an early or delayed response of greater than 10 percent of its periodic rate. GSM P06B8:00 Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error: No Sub Type Information The GSM detected a RAM checksum error. GSM P164E:00 Internal Control Module Transmission Range Select Performance: No Sub Type Information The GSM detected a start up test failure, a program flow monitor failure, an IPC software failure, or a 5V_1_MONITOR failure. Possible Sources
- Discharged battery/charging system
- GSM calibration
- GSM
- G1 CHECK THE GSM (GEAR SHIFT MODULE) FOR CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)
- Ignition ON.
- Using a diagnostic scan tool, retrieve all continuous memory diagnostic trouble codes (CMDTCs) from the GSM.
Is DTC P0562 or P0563 present in the GSM '
Yes RESOLVE those diagnostic trouble codes (DTCs) first. REFER to Diagnostic Trouble Code (DTC) Chart . No GO to G2 - G2 PROGRAM THE GSM (GEAR SHIFT MODULE) WITH THE LATEST SOFTWARENOTE: If a GSM self-test is carried out, the driver door must be fully closed. A false P166B DTC can set if the driver door is not fully closed during the self-test.
- Ignition ON.
- Clear all diagnostic trouble codes (DTCs) from the GSM.
- Reprogram the GSM with the latest software. REFER to: Module Programming .
- Using a diagnostic scan tool, carry out the GSM self-test.
Is DTC P0605, P0606, P0607, P06B8 or P164E present in the GSM '
Yes INSTALL a new GSM. REFER to: Gear Shift Module (GSM) . No The fault is not present at this time. It may have been caused by a module programming error.