Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) SPN 2000–2999 “ECM SPN 2003, Transmission Control Module (TCM) Status MID 128 PSID 205”, page 52 “ECM SPN 2017, Cruise Control Status MID 128 PID 85”, page 52 “ECM SPN 2029, Invalid or Missing Data from Vehicle ECU MID 128 PSID 201”, page 52 “ECM SPN 2629, Engine Turbocharger Compressor Outlet Temperature – MID 128 PID 404”, page 53 “ECM SPN 2659, Engine Exhaust Gas Recirculation (EGR) Mass Flow Rate – MID 128 PPID 35”, page 53 “ECM SPN 2791, Engine Exhaust Gas Recirculation (EGR) Valve Control – MID 128 SID 146”, page 54 “ECM SPN 2836, Battery Potential/Switched Voltage – MID 128 PSID 49”, page 54 10