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Detroit Codes

Fault Codes for Detroit Diesel Series 60 Engines

Have you ever wondered what those engine codes mean when you have a check-engine light on in your truck?

Well, wonder no more because the following codes are supplied as a trouble-shooting guide for mechanics. These codes are not for the faint-of-heart, and you should always have your truck serviced by a qualified professional

  • These codes are for your reference only. Detroit Diesel Series 60 Engines only
  • Please note: Codes 43, 44,45,51 and 53 are critical codes and if they are shown, the Stop Engine Light will come on which causes the engine protections to engage and your engine may shut down.
  • All other codes will cause the Check Engine Light to come on which will not engage the engine protections and will allow the engine to continue running
  • If any of these codes are shown, please contact the Ecudiesel service center at (954) 895-2402

 

Flash Code Description
11 VSG Sensor Input Voltage Low
12 VSG Sensor Input Voltage High
13 Coolant level Sensor (CLS) Voltage Low
14 Oil or Coolant Temperature Sensor (OTS or CTS) Voltage High
15 Oil or Coolant Temperature Sensor (OTS or CTS) Voltage Low
16 Coolant Level Sensor (CLS) Voltage High
17 Bypass or Throttle, Valve Position Sensor Input Voltage High
18 Bypass or Throttle, Valve Position Sensor Input Voltage Low
21 Throttle Position Sensor (TPS) Voltage High
22 Throttle Position Sensor (TPS) Voltage Low
23 Fuel Temperature Sensor (FTS) Voltage High
24 Fuel Temperature Sensor (FTS) Voltage Low
25 No Codes
26 Auxiliary Engine Shutdown #1 or #2 Input Active
27 Air Inlet or Intake Air, Temperature Sensor Input Volage High
28 Air Inlet or Intake Air, Temperature Sensor Input Volage Low
31 Engine Brake Output Open Circuit or Short to Ground
32 CEL or SEL Short to Battery or Open Circuit
33 Turbo Boost Sensor (TBS) Voltage High
34 Turbo Boost Sensor (TBS) Voltage Low
35 Oil Pressure Sensor (OPS) Voltage High
36 Oil Pressure Sensor (OPS) Voltage Low
37 Fuel Pressure Sensor (FPS) Voltage High
38 Fuel Pressure Sensor (FPS) Voltage Low
41 Timing Reference Sensor (TRS)
42 Synchronous Reference Sensor (SRS)
43 Low Coolant
44 Oil or Coolant High Temperature
45 Low Oil Pressure
46 Low Battery Voltage
47 Fuel, Air Inlet, or Turbo Boost Pressure High
48 Fuel or Air Inlet Pressure Low
51 EEPROM Error
52 ECM - Analog to Digital Failure
53 EEPROM Non-Volatile Memory Failure
54 Vehicle Speed Sensor Fault
55 J1939 Data Link Failure
56 J1587 Data Link Failure
57 J1922 Data Link Failure
61 Injector Response Time Too Long
62 Auxiliary Output Short ot Battery or Open Circuit or Mech Fault
63 PWM Drive Short to Battery or Open Circuit
64 Turbo Speed Sensor Input Fault
65 Throttle Valve Position Input Fault
66 Engine Knock Sensor Input Fault
67 Coolant or Air Inlet Pressure Sensor Input Voltage High
68 Idle Validation Switch Open Circuit or Short to Ground
71 Injector Response Time Too Short
72 Vehicle Overspeed
73 Gas Valve Position Input Fault or ESS Fault
74 Optimized Idle Safety Look Short to Ground
75 ECM Battery Voltage High
76 Engine Overspeed with Engine Brake
77 Fuel Temperature High
81 Dual Fuel BOI or Exhaust Temperature Voltage High
82 Dual Fuel BOI or Exhaust Temperature Voltage Low
83 Exhaust Temperature or External Pump Pressure High
85 Engine Overspeed
86 External Pump Pressure Sensor Input Voltage High
87 External Pump Pressure Sensor Input Voltage Low
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