PCM OBD1 Auto Transmission Trouble Codes

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PCM Auto Transmission Trouble Codes and Information Flags

PCM Auto Transmission Trouble Codes

  • Trouble Code 12 Diagnostic Check Only (Flash Trouble Code)
  • Trouble Code 13 (1992-1994 Vehicles)
  • Trouble Code 14 (1993-1994 Vehicles)
  • Trouble Code 16 No 1st Gear
  • Trouble Code 18 (1993-1994 Vehicles)
  • Trouble Code 21 2nd Gear Stuck On
  • Trouble Code 22 No 2nd Gear
  • Trouble Code 23 No 3rd Gear
  • Trouble Code 24 No 4th Gear
  • Trouble Code 25 No TCC
  • Trouble Code 26 TCC Stuck On
  • Trouble Code 31 Transaxle Temperature Circuit Open (Cold)
  • Trouble Code 32 Transaxle Temperature Circuit Grounded (Hot)
  • Trouble Code 34 (1991 PERF [LLO], 1992-1994 Vehicles) ECM Communications Failed
  • Trouble Code 35 No Turbine Speed Sensor Signal
  • Trouble Code 36 Turbine Speed Sensor Signal Noise
  • Trouble Code 41 No Vehicle Speed Sensor Signal
  • Trouble Code 42 Vehicle Speed Sensor Signal Noise
  • Trouble Code 43 (1994 Vehicles) Actuator Lost Power
  • Trouble Code 43 (1993 Vehicles) Master Enble Relay Grounded/Open
  • Trouble Code 44 (1993 Vehicles) Master Enable Relay Coil Shorted to Voltage
  • Trouble Code 45 Selector Switch - No Data
  • Trouble Code 46 Selector Switch - Undefined Data
  • Trouble Code 48 (1991-1992 Vehicles) Hold Mode Voltage Low
  • Trouble Code 49 (1991 PERF [LLO], 1992-1994 Vehicles) Selector Switch - Invalid Data
  • Trouble Code 52 (1991-1992 Vehicles) Hold Mode Stuck On
  • Trouble Code 53 (1991-1992 Vehicles) Hold Mode Stuck Off
  • Trouble Code 54 A/D Error
  • Trouble Code 55 Transaxle Temperature Resistor Failure
  • Trouble Code 56 (1993-1994 Vehicles)
  • Trouble Code 75 (1993-1994 Vehicles)
  • Trouble Code 78 (1993-1994 Vehicles)

PCM Auto Transmission Information Flags

  • Information Flag 13 (1991 Vehicles) Line Pressure High
  • Information Flag 14 (1991-1992 Vehicles) Line Pressure Low
  • Information Flag 15 Hot Lamp Illuminated
  • Information Flag 18 (1991-1992 Vehicles) No Gears Available
  • Information Flag 43 (1991-1992 Vehicles) Master Enable Relay Grounded/Open
  • Information Flag 44 (1991-1992 Vehicles) Master Enable Relay Coil Shorted to Voltage
  • Information Flag 47 PCM Communication Interrupt Failure
  • Information Flag 51 Serial Link Data Invalid
  • Information Flag 56 (1991-1992 Vehicles) Generic Field-Effect Transistor (FET) Driver Failure
  • Information Flag 57 Non-Volatile Random Access Memory (RAM) Failure
  • Information Flag 61 PCM Programmable Read-Only Memory (PROM) Failure
  • Information Flag 62 PCM Interrupt Failure
  • Information Flag 63 PCM Random Access Memory (RAM) Failure
  • Information Flag 64 PCM Electrically Erasable/Programmable Read-Only Memory (EEPROM) Prom Failure
  • Information Flag 65 Battery Voltage Out Of Range High Or Low
  • Information Flag 66 (1991-1992 Vehicles) Clamp Circuit Shorted
  • Information Flag 67 (1991-1992 Vehicles) Clamp Circuit Open
  • Information Flag 68 Line Pressure Actuator Circuit Grounded/Open
  • Information Flag 69 Line Pressure Actuator Circuit Shorted to Voltage
  • Information Flag 71 2nd Gear Actuator Circuit Grounded/Open
  • Information Flag 72 2nd Gear Actuator Circuit Shorted to Voltage
  • Information Flag 73 3rd Gear Actuator Circuit Grounded/Open
  • Information Flag 74 3rd Gear Actuator Circuit Shorted to Voltage
  • Information Flag 75 (1991-1992 Vehicles) 3rd Gear Stuck On
  • Information Flag 76 4th Gear Actuator Circuit Grounded/Open
  • Information Flag 77 4th Gear Actuator Circuit Shorted to Voltage
  • Information Flag 78 (1991-1992 Vehicles) 4th Gear Stuck On
  • Information Flag 79 TCC Actuator Circuit Grounded/Open
  • Information Flag 81 TCC Actuator Circuit Shorted to Voltage
  • Information Flag 82 (1991 Base [LKO] Vehicles) Temperature Signal Unstable
  • Information Flag 83 Temperature Signal Low
  • Information Flag 84 Brake Switch Stuck Open
  • Information Flag 85 Brake Switch Stuck Closed
  • Information Flag 86 Engine Speed Signal Invalid
  • Information Flag 87 (1991-1992 Vehicles) TCC Hold Circuit Grounded/Open
  • Information Flag 88 (1991-1992 Vehicles) TCC Hold Circuit Shorted to Voltage
  • Information Flag 89 (1991-1993 Vehicles) Master Enable Relay Stuck On
  • Information Flag 91 (1991 Base [LKO] Vehicles) DLC Serial Communication Link Interrupt
  • Information Flag 92 (1991-1992 Vehicles) Clamp Circuit Intermittent Fault
  • Information Flag 93 (1991-1992 Vehicles) TCC Hold Circuit Intermittent Fault
  • Information Flag 94 (1991-1993 Vehicles) Master Enable Circuit Intermittent Fault
  • Information Flag 95 Line Pressure Actuator Circuit Intermittent Fault
  • Information Flag 96 TCC Actuator Circuit Intermittent Fault
  • Information Flag 97 2nd Gear Actuator Circuit Intermittent Fault
  • Information Flag 98 3rd Gear Actuator Circuit Intermittent Fault
  • Information Flag 99 4th Gear Actuator Circuit Intermittent Fault