Diagnostic Trouble Code (DTC) Charts
Note: "x" = any number 0 thru 9
Note 1: DTC P1000 is ignored in KOEO AND KOER Self-Test. Disregard the DTC P1000 and continue as directed.
Note 2: For "P" DTCs not listed in this chart; refer to the customer's symptom to determine applicable diagnostic/repair information section for diagnosis.
Note 3: Go to the Transmission Section to perform complete diagnosis.
Note 8: Go to the applicable Section of the diagnostic/repair information to diagnose the Chassis DTC.
Note 9: Go to the Cruise Control.
Note 10: Go to the diagnostic/repair information for REM (REAR ELECTRONICS MODULE) self-test/diagnostics.
Note 11: The vehicle ID block (VID) needs to be reprogrammed. For instructions refer to Section 2 See: Powertrain Management\Computers and Control Systems\Testing and Inspection\Diagnostic Trouble Code Tests and Associated Procedures\SECTION 2: Diagnostic Methods , Flash VID Block Procedure.
Note 12: Vehicle speed information is provided by the anti-lock brake system. Go to Antilock Brakes / Traction Control Systems to perform complete diagnosis.
Note 13: See BI-Fuel Service Manual for instruction on how to retrieve DTCs from secondary module. (See P1640 Diagnostic Trouble Code (DTC) Descriptions for additional information. See: P Code Charts\P1640)
Note 14: Be sure to check for aftermarket performance products before replacing PCM. (If replacement is necessary refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) See: Powertrain Management\Computers and Control Systems\Testing and Inspection\Programming and Relearning\Flash Electrically Eraseable Programmable Read Only Memory - Flash EEPROM)
Note 15: Go to Evaporative Emissions System.
Note 16: Go to the applicable Section of the diagnostic/repair information to diagnose the Body DTC. For LS6/LS8 with B2172, begin diagnosis in Section 3. See: Powertrain Management\Computers and Control Systems\Testing and Inspection\Symptom Related Diagnostic Procedures
Note 17: Go to the Transfer Case.
Note 18: DTC P1636 indicates the PCM has lost communication with the Inductive Signature Chip. Replace PCM (refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) See: Powertrain Management\Computers and Control Systems\Testing and Inspection\Programming and Relearning\Flash Electrically Eraseable Programmable Read Only Memory - Flash EEPROM)
Note 19: Refer to the Charging System - General Information and diagnose the charging system concern.
Network DTCs Chart
a PERFORM On-Board Diagnostics for the associated SCP module.
|
