Reference: OBD-II Trouble Code Quick Reference (ALL Codes - Long Thread)

[t3ase]

P1602 Loss of EBTCM Serial Data
P1603 Loss of SDM Serial Data
P1604 Loss of IPC Serial Data
P1605 Loss of HVACC Serial Data
P1605 Keep Alive Memory Failure (Ford)
P1605 Powertrain Control Module (Mazda)
P1607 Malfunction In PCM Internal Circuit (Acura)
P1610 Loss of PZM Serial Data
P1611 Loss of CVRTD Serial Data
P1617 Engine Oil Level Switch Circuit
P1621 PCM Memory Performance
P1626 Theft Deterrent System - Fuel Enable Circuit
P1630 Theft Deterrent - PCM in Learn Mode
P1631 Theft Deterrent - Password Incorrect
P1632 Theft Deterrent - Fuel Disabled
P1633 Ignition Supplement Power Circuit Low Voltage
P1633 Keep Alive Power Voltage Too Low (Ford)
P1634 Ignition 1 Power Circuit Low Voltage
P1635 5 Volt Reference Circuit (GM)
P1635 Tire/Axle Out Of Acceptable Range (Ford)
P1639 5 Volt Reference 2 Circuit (GM)
P1639 Vehicle ID Block Not Programmed Or Corrupt (Ford)
P1640 DTC's Available In Another Module (Ford)
P1640 Driver 1 - Input High Voltage
P1641 Malfunction Indicator Lamp (MIL) Control Circuit
P1642 Vehicle Speed Output Circuit
P1644 Delivered Torque Output Circuit
P1645 EVAP Solenoid Output Circuit
P1646 EVAP Vent Valve Output Circuit
P1650 Driver 2 - Input High Voltage
P1650 Power Steering Pressure Switch Malfunction (Ford)
P1650 Power Steering Pressure Switch Out Of Range (Mazda)
P1651 Power Steering Pressure Switch Input Malfunction (Mazda)
P1651 Power Steering Pressure Switch Signal Malfunction (Ford)
P1652 Lift/Dive Circuit
P1654 Cruise Disable Output Circuit
P1656 Automatic Transaxle (Acura)
P1660 Cooling Fan Control Circuits
P1660 A/T FI Data Line Failure (Acura)
P1676 FPTDR Signal Failure (Acura)
P1678 FPTDR Signal Line Failure (Acura)
P1680 Clutch Released Switch Circuit (CHRYSLER)
P1681 No I/P Cluster CCD/J1850 Messages Received (CHRYSLER)
P1681 A/T FI Signal A Low Input (Acura)
P1682 A/T FI Signal A High Input (Acura)
P1682 Charging System Voltage Too Low (CHRYSLER)
P1683 Speed Control Power Relay or S/C 12V Driver Circuit (CHRYSLER)
P1685 Skim Invalid Key(CHRYSLER)
P1686 No SKIM Bus Message Received (CHRYSLER)
P1686 A/T FI Signal B Low Input (Acura)
P1687 A/T FI Signal B High Input (Acura)
P1687 No Cluster Bus Message (CHRYSLER)
P1689 Traction Control Delivered Torque Output Circuit (GM)
P1693 DTC Detected In Companion Mode (CHRYSLER)
P1694 Fault In Companion Mode (CHRYSLER)
P1695 No CCD/J185O Message From BCM (CHRYSLER)
P1696 PCM Failure EEPROM Write Denied (CHRYSLER)
P1697 PCM Failure SRI Mile Not Stored (CHRYSLER)
P1698 No Bus Message From TCM (CHRYSLER)
P1701 Transmission Solenoid Malfunction (Mazda)
P1703 Brake On/Off Switch (Mazda)
P1703 Brake On/Off Switch Out Of Range (Ford)
P1705 Automatic Transaxle (Acura)
P1705 Transmisson Range Sensor Out Of Range (Ford)
P1705 Transmisson Range Sensor (Mazda)
P1706 Automatic Transaxle (Acura)
P1709 Automatic Transaxle (Acura)
P1709 Park/Neutral Position Switch (Mazda)
P1709 Park/Neutral Position Switch Out Of Range (Ford)
P1710 Automatic Transaxle (Acura)
P1711 Transmission Fluid Temperature Sensor (Mazda)
P1713 Automatic Transaxle (Acura)
P1719 Skip Shift Solenoid Circuit (Chrysler)
P1729 4x4 Low Switch (Mazda)
P1729 4x4 Low Switch Malfunction (Ford)
P1738 Automatic Transaxle (Acura)
P1739 Automatic Transaxle (Acura)
P1740 Automatic Transaxle (Acura)
P1746 EPC Solenoid Failed Low (Mazda)
P1747 EPC Solenoid Short Circuit (Mazda)
P1749 EPC Solenoid Open Circuit (Mazda)
P1751 Shift Solenoid #1 (SS1) (Mazda)
P1753 Automatic Transaxle (Acura)
P1754 Coast Clutch Solenoid (Mazda)
P1756 GOV Press Not Equal To Target @ 15-20 PSI (Chrysler)
P1756 Shift Solenoid #2 (SS2) (Mazda)
P1757 GOV Press Not Equal To Target @ 15-20 PSI (Chrysler)
P1758 Automatic Transaxle (Acura)
P1761 Shift Solenoid #3 (SS3) (Mazda)
P1762 Gov Press Sen Offset Volts Too Low or high(Chrysler)
P1763 Governor Pressure Sensor Volts Too High (Chrysler)
P1764 Governor Pressure Sensor Volts Too Low (Chrysler)
P1765 Trans 12 Volt Supply Relay CTRL Circuit (Chrysler)
P1768 Automatic Transaxle (Acura)
P1773 Automatic Transaxle (Acura)
P1778 Automatic Transaxle (Acura)
P1780 Transmission Control Switch (Mazda)
P1780 Transmission Control Switch Out Of Range(Ford)
P1781 4x4 Switch Out Of Range (Ford)
P1781 4x4 Low Switch (Mazda)
P1783 Transmission Over Temperature Condition (Mazda)
P1786 Automatic Transaxle (Acura)
P1790 Automatic Transaxle (Acura)
P1791 Automatic Transaxle (Acura)
P1792 Automatic Transaxle (Acura)
P1794 Automatic Transaxle (Acura)

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P1810 TFP Valve Position Switch Circuit (GM)
P1811 Maximum Adapt and Long Shift (GM)
P1819 Internal Mode Switch - No Start/Wrong Range (GM)
P1820 Internal Mode Switch Circuit A Low (GM)
P1822 Internal Mode Switch Circuit B High (GM)
P1823 Internal Mode Switch Circuit P Low (GM)
P1825 Internal Mode Switch - Invalid Range (GM)
P1826 Internal Mode Switch Circuit C High (GM)
P1860 TCC PWM Solenoid Circuit Electrical (GM)
P1887 TCC Release Switch Circuit (GM)
P1899 Park/Neutral Position Switch Stuck In Park or In Gear (CHRYSLER)

[t3ase]

And I'm done. I'm not sure this will be used much but it's worth having just in case.

[greendragon]

Excelent job ,for those with readers this will be most helpful