What P0602 means
Control Module Programming Error
Common causes (general)
Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.
Manufacturer-specific descriptions
Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P0602:
| AUDI | Powertrain Control Module (PCM) failure, Wiring issue |
| BMW | Control Module Programming Error |
| FORD | Control Module Programming Error |
| MITSUBISHI | Control Module Programming Error |
| NISSAN | Control Module Programming Error |
| VOLKSWAGEN | Control Module Not Programmed |
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