View source for PCM OBD1 Auto Transmission Trouble Codes

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