F 450 4WD Super Duty V8-6.0L DSL Turbo VIN P (2003)
P1635 - P1639: Testing and Inspection
For diagnosis of code P1636 refer to system being tested:
Engine Control
Refer to Note 14:
NOTE 14: DTC P1636 indicates the PCM has lost communication with the Inductive Signature Chip. Replace PCM. If replacement is necessary
refer to Flash Electrically Erasable Programmable Read Only Memory (EEPROM).
If there is no link in the chart then:
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This code is not a valid code for this vehicle
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Or information published by the manufacturer for this vehicle did not include this code
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For complete diagnosis of the Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection
Transmission Control