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Diagnostic Trouble Code Definitions

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DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Diagnostic Test Definition Transmission Symptom
P0102 & P0103 (2) MAF Sensor Malfunction High Or Low EPC Pressure, Incorrect Torque Converter Clutch Engagement
P0112 (2) IAT Sensor Indicates 254°F (125°C) - Short To Ground High Or Low EPC Pressure
P0113 (2) IAT Sensor Indicates -40°F (-40°C) - Open Circuit High Or Low EPC Pressure
P0114 (2) IAT Sensor Out Of On-Board Diagnostic Range Re-Run On-Board Diagnostics At Normal Operating Temperature
P0117 (2) ECT Sensor Indicates 254°F (125°C) - Short To Ground TCC Will Always Be Off Or Poor Fuel Economy
P0118 (2) ECT Sensor Indicates -40°F (-40°C) - Open Circuit TCC Will Always Be Off Or Poor Fuel Economy
P0121-P0123 (2) TP Sensor Malfunction Harsh Shifts, Abnormal Shift Patterns, TCC Does Not Engage, TCC Cycling
P0300-P0308, P0320, P0340 (2) Electronic Ignition (EI) System Malfunction Harsh Engagements & Shifts, Late WOT Shifts, No TCC Engagement
P0500, P0503 (2) Insufficient VSS Input From ABS Transmission "Hunts" On Grades, Instrument Panel Or Speedometer Malfunction
P0705 C  Digital TR Sensor Circuit Short To Ground Or Open Increase In Control Pressure (Harsh Shifts)
P0708 C  Digital TR Sensor Circuit TR3A Open Circuit Increase In Control Pressure (Defaults To "OD" Position In All Ranges)
P0712 B  TFT Sensor Indicates 315°F (157°C) - Short To Ground Firm Shift Feel
P0713 B  TFT Sensor Indicates -40°F (-40°C) - Open Circuit Firm Shift Feel
P0715 E  Insufficient Input From TSS Sensor Harsh Shifts, Harsh TCC Activation & Engagement
P0720 E  Insufficient Input From OSS Sensor Possible Abnormal Shift Schedule
P0721 E  Erratic Or Noisy Signal From OSS Sensor Abnormal Shift Schedule
P0731 (3) A (4) No 1st Gear Improper Gear Selection, Shift Errors & RPM Higher Or Lower Than Expected
P0732 (3) A (4) No 2nd Gear Improper Gear Selection, Shift Errors & RPM Higher Or Lower Than Expected
P0733 (3) A (4) No 3rd Gear Improper Gear Selection, Shift Errors & RPM Higher Or Lower Than Expected
P0734 (3) A (4) No 4th Gear Improper Gear Selection, Shift Errors & RPM Higher Or Lower Than Expected
P0735 A (4) No 5th Gear Improper Gear Selection, Shift Errors & RPM Higher Or Lower Than Expected
P0741 (3) (5) TCC Engagement Error No TCC Operation Or TCC Slips
P0743 (7) A  TCC Solenoid Circuit Failure If Short Circuit, Engine Stalls At Low Idle, If Open Circuit, TCC Does Not Engage
P0750, P0751 (6) & P0753(7) A  SS1 Solenoid Circuit/Hydraulic Failure If Shorted, No 4th Or 5th Gear; If Open, No 1st Gear
P0755, P0756 (6) & P0758(7) A  SS2 Solenoid Circuit/Hydraulic Failure If Shorted, No 1st Gear; If Open, No 3rd Gear
P0760, P0761 (6) & P0763(7) A (4) SS3 Solenoid Circuit/Hydraulic Failure Incorrect Gear Selection Depending On Condition Mode & Manual Lever Position
P0765 & P0768 A  SS4 Solenoid Circuit Failure Incorrect Gear Selection Depending On Condition Mode & Manual Lever Position
P0791 & P0768 E  Loss Of ISS Sensor Signal Failure Harsh 2-3 Shift
P0794 & P0768 E  Intermittent Signal From ISS Sensor Harsh 2-3 Shift
P1000 N/A Incomplete OBD-II Testing N/A
P1111 N/A System Pass Code N/A
P1100 & P1101 (2) MAF Sensor Malfunction High Or Low EPC Pressure, Incorrect Torque Converter Clutch Engagement
P1116 (2) ECT Sensor Temperature Low Or High Re-Run Diagnostics With Vehicle At Operating Temp.
P1120, P1121, P1124 & P1125 (2) TP Sensor Malfunction Harsh Shifts, Firm Shift Feel, Abnormal Shift Patterns, TCC Does Not Engage, TCC Cycling
P1351-P1364 (2) Electronic Ignition (EI) System Malfunction Harsh Engagements & Shifts, Late WOT Shifts, No TCC Engagement
P1460 (2) ACC Switch Error Re-Run Diagnostics With A/C Off, If Stuck On, EPC Pressure Will Be Low
P1501 (2) Insufficient VSS Input From ABS Transmission "Hunts" On Grades, Instrument Panel Or Speedometer Malfunction
P1636 (8) PCM Detects Error In ISIG Chip Replace PCM
P1701 (5) Reverse Engagement Error EPC Pressure Low, SSI Off, Engine Lacks Power
P1702 C  Digital TR Sensor Signal Intermittent DTCs P0705 & P0708 May Also Set; Refer To DTCs P0705 & P0708
P1703 (2) BPP Switch Malfunction (9)
P1704 C  Digital TR Sensor Malfunction, Or Not In "P" Or "N" Position During KOEO/KOER Incorrect Commanded EPC Pressure, TR Sensor Reading Incorrect Gear Position
P1705 C  Digital TR Sensor Malfunction, Or Not In "P" Or "N" Position During KOEO/KOER DTC Is Set, Re-Run On-Board Diagnostics With Manual Lever In "P" Or "N" Position
P1711 B  TFT Sensor Not At Operating Temperature During On-Board Diagnostics Vehicle Cold Or Overheated
P1713 B  PCM Detects No TFT Sensor Change At Low Range During Operation Increased EPC Pressure, Incorrect TCC Engagement Scheduling, Harsh TCC Engagement, Harsh Shifts
P1714 F  SS1 Solenoid Failure If Shorted, No 4th Or 5th Gear; If Open, No 1st gear; SS1 Solenoid Mechanical Failure
P1715 F  SS2 Solenoid Failure If Shorted, No 1st Gear; If Open, No 3rd gear; Solenoid Mechanical Failure
P1716 F (4) SS3 Solenoid Failure Incorrect Gear Selection Depending On Condition, Mode & Manual Lever Position
P1717 F (4) SS4 Solenoid Failure Incorrect Gear Selection Depending On Condition, Mode & Manual Lever Position
P1718 B  No Change In TFT Sensor High Range Increased EPC Pressure, Incorrect TCC Engagement Schedule, Harsh Engagements & Shifts
P1729 TG  4X4L Switch Open Or Short Circuit Early Or Delayed Shifts
P1740 F  Mechanical Failure Of TCC Solenoid Detected If Stuck On, Engine Stalls At Low Idle; If Stuck Off, No TCC Engagement
P1746 (3) D  EPC Solenoid Circuit Open Maximum EPC Pressure, Harsh Engagements & Shifts
P1747 (3) D  EPC Solenoid Circuit Failure If Short Circuit, Causes Low EPC Pressure, Limits Engine Torque, Slips In Gear & 3rd Gear Incorrect
P1780 TB  TCS Not Changing States - Open Or Shorted No Overdrive Cancel When Switch Is Cycled During KOER
P1781 TG  4X4L Switch Closed Or Shorted During KOEO Early Or Delayed Shifts
P1783 B  Transmission Overheating Condition - 270°F (127°C) Increase In EPC Pressure
P1900 E  Intermittent Signal From OSS Sensor Harsh Shifts, Abnormal Shift Schedule Or No TCC Engagement
(1) Only engine performance-related DTCs that may affect transmission operation are listed. For complete list of engine performance-related DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
(2) See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
(3) DTC can be set by other non-electronic-related transmission hardware condition.
(4) Refer to illustrations to check solenoid on/off operation. See Figure or Figure .
(5) Diagnose DTC by symptom. See appropriate SYMPTOM DIAGNOSIS under TROUBLE SHOOTING .
(6) Mazda "B" Series only.
(7) Output circuit check, generated ONLY by electrical conditions.
(8) SSx ISIG communication error. Replace PCM.
(9) If stuck on or not connected, TCC will not engage at 1/3 or less throttle. If stuck off or not connected, TCC will not disengage when brake is applied.
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