Powertrain Computer Diagnostic Trouble Codes

Complete list of Powertrain computer DTC codes with free diagnostic guides.

Below you'll find every known DTC code for the Powertrain Computer subsystem with step-by-step diagnostic and repair instructions. 10 guides are available — covering causes, symptoms, and repair costs. Use the table to find your specific code, or browse our full Powertrain DTC code library for other subsystems.

DTC Code Meaning Severity Time
P0480 The power‑train control module (PCM) has detected a fault in the circuit that po... medium 30‑60 minutes P0563 The P0563 code tells the power‑train control module that the overall system volt... medium 30–60 minutes P0600 P0600 tells you the power‑train control module can’t reliably talk to other modu... medium 30-60 minutes P0601 P0601 tells the power‑train control module that its internal memory checksum fai... medium 30-60 minutes P0603 The P0603 code tells the power‑train control module that its internal Keep‑Alive... low 30–60 minutes P0604 The power‑train control module (PCM) has detected a fault in its internal RAM. T... medium 30‑60 minutes P0605 The PCM has detected a problem with the read‑only memory (ROM) inside the contro... medium 30‑60 minutes P0606 The P0606 code tells you that the engine control module (ECM) or power‑train con... high 30‑60 minutes P1000 The P1000 code tells you that one or more of the OBD‑II self‑tests (monitors) di... low 30‑60 minutes P1684 P1684 indicates that the power‑train control module (PCM) detected a sudden drop... low 30‑60 minutes

About Powertrain Computer Trouble Codes

Powertrain computer diagnostic trouble codes are triggered when the vehicle's onboard computer detects a malfunction in the computer subsystem. These codes help you quickly identify the problem without visiting a dealership. Our guides walk you through each DTC code with step-by-step diagnostic procedures, tools needed, and when to call a professional mechanic.

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