| P1111 | System | Pass | No concern detected. | Concern not detected by PCM. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0340, P0341, P0344 | DI | DI system concern. | Engine rpm circuit failure | CKP sensor failure. failure/engine will stall or not run. May flash TCIL. (1) | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0237 | Manifold Absolute Pressure (MAP) Sensor | MAP sensor out of On-Board Diagnostics range. | MAP sensor signal higher or lower than expected or no response during Dynamic Response (Goose) Test | | Rerun On-Board Diagnostics |
| P0236 | Manifold Absolute (MAP) Sensor | MAP sensor vacuum circuit failure. | MAP sensor signal higher or lower than expected or no response due to vacuum house, circuit damaged, disconnected or restricted. | Firm shift feel, late shifts at altitude. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0235 | Manifold Absolute Pressure (MAP)Sensor | MAP sensor inactive. | MAP sensor or circuit open, shorted to ground or 5V. | Firm shift feel, late shift at altitude. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P1124 | Throttle Position (TP) Sensor | TP sensor out of On-Board Diagnostics range. | TP sensor (gasoline engines) not at idle position during KOEO. | | Rerun at appropriate TP sensor position per the engine application. |
| P0500, P1502 | VSS/ABS | Insufficient or intermittent vehicle speed input | PCM detected a loss of vehicle speed signal during operation. | Harsh engagements, firm shift feel, abnormal shift schedule, unexpected downshift may occur at closed throttle, abnormal TCC operation or engages only at WOT. May flash TCIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0500, P1502 | VSS/ABS | Insufficient or intermittent vehicle speed input. | PCM detected a loss of vehicle speed signal during operation. | Harsh engagements, firm shift feel, abnormal shift schedule, unexpected downshifts may throttle, abnormal TCC operation or engages only at WOT. May flash MIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0503 | VSS/ABS | Vehicle speed sensor intermittent. | PCM detected a loss, or an unrealistic change of vehicle speed signal during operation. | Possible fluctuation in the speedometer. May flash TCIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0781 P0731 (2) | SSA, SSB or Internal Transmission Components | 1-2 shift error. | Engine rpm drop not detected when 1-2 shift was commanded by PCM. | Improper gear selection depending on failure made and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . Shift errors may also be due to other internal transmission concerns such as stuck valves or damaged friction material. May flash TCIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS . |
| P0782, P0732, P0733 (2) | SSA, SSB or Internal Transmission Components | 2-3 shift error. | Engine rpt drop not detedcted when 2-3 shift was commanded by PCM | Improper gear selection depending on failure mode and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . Shift errors may also be due to other internal transmission concerns such as stuck valves or damaged friction damaged friction material. May flash TCIL. | GO To PINPOINT TEST A: SHIFT SOLENOIDS . |
| P0783 (2) | SSA, SSB or Internal Transmission Components | 3-4 shift error. | Engine rpm drop not detected when 3-4 shift was commanded by PCM | Improper gear selection depending on by failure mode and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . Shift errors may also be due to other internal transmission concerns such as stuck valves or damaged friction material. May flash TCIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS |
| P0122 | TP or AP Sensor | TP or AP sensor circuit below minimum voltage, (open/shorted to ground). | Voltage above or below specification for On-Board Diagnostics or during normal vehicle operation. | Harsh engagements, firm shift feel, abnormal shift schedule, abnormal TCC operation or does not engage. May flash MIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0123 | TP or AP Sensor | TP or AP Sensor circuit above maximum voltage (short to vehicle power). | Voltage above or below specification for On-Board Diagnostics or during normal vehicle operation. | Harsh engagements, firm shift feel, abnormal shift schedule, abnormal TCC operation or does not engage. May flash MIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P1120 | Throttle Position (TP) Sensor | TP sensor voltage lower than expected. | Voltage above or below specification | Harsh engagements, firm shift feel, abnormal shift schedule, abnormal TCC operation or does not engage. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P1780 | TCS | TCS not changing state. | TCS not cycled during On-Board Diagnostics/circuit open or shorted. | No OVERDRIVE cancel when switch is cycled. | Rerun diagnostics and cycle switch. Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0712 | TFT Sensor | 157°C(315°F) indicated, TFT sensor circuit grounded. | Voltage drop across TFT senosr exceeds scale set for temperature of 157° C (315°F). | TCC and stabilized shift schedule may be enabled sooner after cold start. May flash TCIL. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR |
| P0713 | TFT Sensor | 40°C (-40°F) indicated, TFT sensor circuit open. | Voltage drop across TFT sensor exceeds scale set for temperature of -40° C (-40°F). | TCC and stabilized shift schedule may be enabled sooner after cold start May flash TCIL. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR |
| P1711 | TFT Sensor | TFT sensor out of On-Board Diagnostics range. | Transmission not at operating temperature during On-Board Diagnostics. | | Warn vehicle to normal operating temperature and rerun On-Board Diagnostics. |
| P1713 | TFT | No change in TFT - Low range. | PCM has detected no TFT change at high range during operation. | May flash TCIL. | Go To PINPOINT TEST B: TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR |
| P1460 P1463 P1464 | A/C | A/C switch error | DTC can result from A/C being ON during On-Board Diagnostics. | Failed on - electronic pressure control pressure slightly low with A/C off. Failed off - electronic pressure control pressure slightly low with A/C on. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0705 | Digital TR Sensor | Digital TR circuit failure. | Digital TR circuit failure. Digital TR circuits, indicating an invalid pattern in TR_D. Condition caused by a short to ground or an open in TR4, TR3A, TR2, and/or TR1 circuits. | Increase in EPC pressure (harsh shifts). Defaults to (D) or D for all gear positions. In (D) position transmission stuck in D or manual 2. May flash MIL. | Go To PINPOINT TEST D: DIGITAL TRANSMISSION RANGE (TR) SENSOR |
| P0708 | Digital TR | Digital TR sensor circuit TR3A open. | Digital TR sensor circuit TR3A reading 2.6v - 5.0v (open circuit). | Increase in EPC pressure. Defaults to (D) or D for all gear ranges. May flash MIL. | Go To PINPOINT TEST D: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1702 | Digital TR | Intermittent DTC codes P0705 or P0708. | Refer to DTC codes P0705 or P0708 condition. | Refer to DTC codes P0705 or P0708 symptom. May flash TCIL. | Go To PINPOINT TEST D: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1704 | Digital TR | Digital TR circuit reading in between gear position during KOEO. | Digital TR sensor or shift cable incorrectly adjusted, or digital TR circuit failure. | Wrong commanded EPC pressure. Digital TR reading the wrong gear position. | Go To PINPOINT TEST D: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P1705 | Digital TR Sensor | Digital TR sensor circuits not reading PARK or NEUTRAL during KOEO/KOER. | KOEO/KOER not run in PART or NEUTRAL; or Digital TR circuit failure. | Rerun on-board diagnostic in PARK. KOEW/KOER. | Go To PINPOINT TEST D: DIGITAL TRANSMISSION RANGE (TR) SENSOR . |
| P0102, P0103, P1103, P1101 | MAF Sensor | MAF sensor DTC | MAF sensor system fails to operate in a normal manner, which may cause a transmission concern. | High electronic pressure control pressure. Firm shifts and engagements. May flash TCIL. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0107 | BARO | BARO circuit failure. | BARO signal lower than expected. | Firm shift feel, late shifts at altitude | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0108 | BARO | BARO circuit failure. | BRAO signal higher or lower than expected. | Firm shifts, feel, late shifts at altitude. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P1703 | BPP Switch | Brake not actuated during On-Board Diagnostics. | Brake not cycled during KOER. | Failed on or not connected - TCC will not engage at less than one-third throttle. | Rerun On-Board Diagnostic and activate BPP switch. Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0730, P0751 | BPP | BPP switch circuit failed. | BPP circuit failure. | Failed off - TCC will not disengage when brake is applied. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0750 (3) | SSA | Shift solenoid circuit failure. | SSA circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Improper gear selection depending on failure mode and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash MIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS |
| P0753 | SSA | Shift solenoid circuit failure. | SSA circuit failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Improper gear selection depending on failure mode and transmission range selector lever position range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash TCIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS |
| P0755 (3) | SSB | SSB circuit failure. | SSB circuit fails to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Improper gear selection depending on failure mode and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis , May flash MIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS |
| P0758 | SSB | SSB circuit failure | SSB circuit failure to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Improper gear selection depending on failure mode and transmission range selector lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash TCIL. | Go To PINPOINT TEST A: SHIFT SOLENOIDS |
| P1714 | SSA | SSA malfunction. | Mechanical failure of the solenoid detected. | Improper gear selection depending on condition, mode and manual lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash TCIL. MAY flash MIL. | Go To PINPOINT TEST H: SOLENOID MECHANICAL FAILURE |
| P1715 | SSB | SSB malfunction. | Mechanical failure of the solenoid detected. | Improper gear selection depending on condition, mode and manual lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash MIL. | Go To PINPOINT TEST H: SOLENOID MECHANICAL FAILURE |
| P1636 | SSA, SSB | Inductive signature chip communication error. | PCM has detected an internal error. | Improper gear selection depending on condition on condition, mode and manual lever position. Refer to the shift Solenoid Operation Chart located in Shift Solenoids Pre-Diagnosis . May flash MIL. | Go To PINPOINT TEST H: SOLENOID MECHANICAL FAILURE |
| P1740 | TCC | TCC malfunction | Mechanical failure of the solenoid detected. | Harsh shift, may flash TCIL. | Go To PINPOINT TEST H: SOLENOID MECHANICAL FAILURE |
| P1754 (3) | CCS | CCS circuit failure. | CCS failed to provide voltage drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Failed off - no third gear engine braking in OVERDRIVE cancel. Failed on - third gear engine braking in OVERDRIVE range. Coast clutch may be damaged causing eventual failure. May flash TCIL. | Go To PINPOINT TEST G: COAST CLUTCH SOLENOID (CCS) |
| P0743 (3) | TCC Solenoid | TCC solenoid circuit failure | TCC solenoid circuit fails to provide drop across solenoid. Circuit open or shorted or PCM driver failure during KOEO. | Short circuit - engine stalls in DRIVE or MANUAL 2 at idle with brake applied. Open circuit - TCC never engaged. May flash MIL. | Go To PINPOINT TEST C: TORQUE CONVERTER CLUTCH (TCC) SOLENOID |
| P0740 (3) | TCC Solenoid | TCC solenoid circuit failure. | TCC solenoid circuit fails to provide voltage drop across solenoid.. Circuit open or shorted or PCM driver failure during KOEO. | Short circuit - engine stalls in DRINVE or MANUAL 2 at idle with brake applied. Open circuit - TCC never engaged. May flash TCIL. | Go To PINPOINT TEST C: TORQUE CONVERTER CLUTCH (TCC) SOLENOID |
| P1746 (3) | EPC | PCM failure - electronic pressure control driver. | Current through EPC circuit is checked and compared and compared after a time delay. An error will be noted if tolerance is exceeded during KOEO and continuous On-Board Diagnostics. | Open circuit - causes maximum electronic pressure control, harsh engagements and shifts. May flash TCIL. | Go To PINPOINT TEST E: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID |
| P1747 (3) | EPC | EPC circuit failure, shorted circuit or PCM. | Current through EPX circuit is checked and compared after a time delay. An error will be noted if tolerance is tolerance is exceeded during KOEO and continuous On-Board Diagnostics. | Short circuit - causes minimum electronic pressure control pressure (minimum capacity). Limits engine torque (partial fuel shut-off, heavy misfire). May flash MIL. | Go To PINPOINT TEST E: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID |
| P1760 | EPC | EPC Signal Intermittent Short. | PCM has detected an intermittent short. | Short circuit causes minimum EPC pressure (minimum capacity). May flash TCIL. | Go To PINPOINT TEST E: ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID |
| P0741 (2) | TCC | TCC slippage detected. | The PCM picked up an excessive amount to TCC slippage during normal vehicle operation. | TCC slippage erratic or no torque converter clutch operation. May flash TCIL. | Refer to DIAGNOSIS BY SYMPTOM . |
| P1744 (2) | TCC | TCC slippage detected. | The PCM picked up an excessive amount of TCC slippage during normal vehicle operation. | TCC slippage erratic or no torque converter clutch operation. May flash MIL. | Refer to DIAGNOSIS BY SYMPTOM . |
| P1280 | ICP Sensor | ICP sensor circuit failure. Out of range low. | Open/grounded circuit, biased sensor or PCM. | May result in firm shifts. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P1281 | ICP Sensor | ICP sensor circuit failure Out of range high. | Short circuit to 5 volt reference, biased sensor or PCM. | May result in firm shifts. | Refer to the INTRODUCTION article in ENGINE PERFORMANCE. |
| P0715 | TSS | Insufficient Input from TSS sensor. | PCM Has detected a loss of TSS signal during operation. | Harsh shift. Set DTC, May flash TCIL, May flash MIL Schedule Operation. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0717 | TSS | TSS Signal Intermittent | PCM has detected an intermittent TSS signal | Harsh shifts, or erratic shifts. Set DTC, May flash TCIL. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS . |
| P0718 | TSS | TSS Signal Noisy | PCM has detected a noisy TSS sensor signal. | Harsh shifts, or erratic shifts. Set DTC. May flash TCIL. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS |
| P0720 | OSS | Insufficient Input from OSS Sensor. | PCM has detected a loss of OSS signal during operation. | Set DTC. May flash TCIL. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS |
| P0721 | OSS | OSS Signal Noisy. | PCM has detected a noisy OSS sensor signal | Set DTC. May flash TCIL. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS |
| P0722 | OSS | Insufficient Input from OSS Sensor. | PCM has detected a loss of OSS signal during operation. | Set DTC, Flash TCIL, May flash TCIL. | Go To PINPOINT TEST F: TURBINE SHAFT SPEED (TSS) AND OUTPUT SHAFT SPEED (OSS) SENSORS |
| (1) Distributor ignition (DI) system. (2) May also be generated by other non-electronic-related transmission hardware condition. (3) Output circuit check, generated only by electrical conditions. |
