5.3 DDEC DESCRIPTIONS Flash  Codes DDEC  Description 87 External pump or barometer pressure sensor input  voltage  low 88 Coolant  pressure  low Table 5-1 Flash Codes and Description SAE faults and flash codes with descriptions are listed in Table 5-2. SAE  Faults Flash  Code DDEC Description p051 0 65 Throttle valve position above normal range p051 1 65 Throttle valve position  below normal range p051 3 17 Throttle valve input voltage high p051 4 18 Throttle valve input voltage low p051 7 65 Throttle valve not responding p052 0 44 Intercooler temperature high p052 3 14 Intercooler sensor input voltage high p052 4 15 Intercooler sensor input voltage low p070 4 74 Optimized idle safety loop short to  ground p072 3 17 Bypass position sensor input voltage  high p072 4 18 Bypass position sensor input voltage  low p073 0 83 External pump pressure high p073 3 86 Pump pressure sensor input voltage  high p073 4 87 Pump pressure sensor input voltage  low p084 0 72 Vehicle overspeed (fueled) p084 11 72 Vehicle overspeed (absolute) p084 12 54 Vehicle speed sensor failure p091 3 21 Throttle position sensor input voltage  high p091 4 22 Throttle position sensor input voltage  low p092 0 58 Torque overload p094 0 47 Fuel pressure high p094 1 48 Fuel pressure low All information subject to change without notice. 5-8 6SE497  9709   Copyright © 1997 DETROIT DIESEL CORPORATION