BobCat 763 service code 17-06 valve output shorted to ground

What wire ? a number of wires go to the transmission .

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DTC P1810 TFP Valve Position Switch Circuit


Circuit Description
The Automatic Transmission Fluid Pressure Manual Valve Position switch (TFP Val. Position Sw.) consists of five normally open switches. Ignition voltage is applied to each of the switches. By grounding one or more of these switches with fluid pressure from the manual valve, the Powertrain Control Module (PCM) can detect which gear range is selected.
If the PCM detects an invalid combination of the TFP Val. Position Sw., then DTC P1810 sets. DTC P1810 is a Type B DTC.

Diagnostic Aids
• Inspect the wiring for poor electrical connections at the PCM. Inspect the wiring for poor electrical connections at the transmission 20-way connector. Inspect the wiring for poor electrical connections at the 5-way TFP Val. Position Sw. connector. Look for the following problems:
- A bent terminal
- A backed out terminal
- A damaged terminal
- Poor terminal tension
- A chafed wire
- A broken wire inside the insulation
- Moisture intrusion
• When diagnosing for an intermittent short or open, massage the wiring harness while watching the test equipment for a change.
• If a transmission overhaul was performed, ensure that the transmission fluid is at the proper level. A low fluid problem may set this DTC.
• Diagnose DTC 1520 first, if set.
• Inspect the TFP Val. Position Sw. for debris.


If you want to tackle this you need to get service repair info. from GM web site https://www.oem1stop.com/content/cadillac

or www.alldatadiy.com

You going to need wiring diagrams , componet location , pin out charts for the PCM -engine computer ,pinout of transmission 20 way connector

I have factory service repair info , for this code

DTC P1810 TFP Valve Position Switch Circuit

there is a 40 step diagnostic flow chart ,this code could be caused by wiring issue , the TFP Valve Position Switch could be bad or it could even be a bad PCM . Are you sure you want to tackel this ?

What year is it ?
DTC P2078: Intake Manifold Tuning (IMT) Valve Position Sensor Circuit High Voltage
Associated with this code or any coded is a diagnostic flow chart ,for testing of the electrical circuit's for the position sensor . If you don't know that ,an know how to test electrical circuit's ,your best bet , take it to a qualified repair . Rather then guessing an just replacing parts .

Circuit/System Description
An intake manifold tuning (IMT) valve is used to change the intake manifold plenum configuration. When the IMT valve is open, the intake manifold is configured to one large plenum. When the IMT valve is closed, the intake manifold is configured to 2 smaller plenums. The IMT valve improves engine performance at low and high engine speeds depending on the engine load. The IMT valve assembly consists of the following:
• A tuning valve
• A microprocessor
• An electric motor
• A hall-effect sensor
• An ignition voltage circuit
• A ground circuit
• An IMT valve control circuit
• An IMT valve signal circuit

P2078
The engine control module detects an open in the IMT valve ground or a continuous short to voltage in either the IMT valve signal circuit or the sensor. This diagnostic runs continuous when the conditions for running are met.
Test the electrical circuit's !!!!!!! you would need a wiring diagram

Circuit/System Testing
Ignition OFF, disconnect the IMT valve harness connector at the IMT valve.
Test for less than 1 ohm of resistance between the IMT valve ground circuit terminal B and ground.
? If greater than the specified value, test the ground circuit for an open/high resistance.
Ignition ON, verify that a test lamp illuminates between the IMT valve ignition 1 voltage circuit terminal A and ground.
? If the test lamp does not illuminate, test the IMT valve ignition 1 voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal and the fuse for the IMT valve ignition 1 voltage circuit is open, test or replace the IMT valve.
Connect a test lamp between the IMT valve control circuit terminal C and the IMT valve ignition 1 voltage circuit terminal A.
Command the IMT valve ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states.
? If the test lamp is always ON, test the IMT valve control circuit for a short to ground. If the circuit tests normal, replace the engine control module.
? If the test lamp is always OFF, test the IMT valve control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the engine control module.
Ignition ON, test for 4-6 volts between the IMT valve signal circuit terminal D and ground.
? If less than the specified range, test the IMT valve signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the engine control module.
? If greater than the specified range, test the IMT valve signal circuit for a short to voltage. If the circuit tests normal, replace the engine control module.
Install a 3A fused jumper wire between the IMT valve signal circuit terminal D and ground. Verify the scan tool IMT valve Feedback parameter transitions from 0-100 percent.
? If parameter does not change, test the IMT valve signal circuit for short to ground or an open/high resistance. If the circuit tests normal, replace the engine control module.
If all circuits test normal, test or replace the IMT valve.

code p 0507 refers to idle speed control (ISC) system---higher than expected===causes --wiring --ISC actuator/IAC valve---throttle motor---throttle valve tight sticking---ECM

code p 0113 refers to intake air temperature (IAT) sensor--circuit malfunction===causes --wiring open circuit/short to positive ---wiring short to ground ---ground wire defective---IAT sensor ---ECM

code p 0102 refers to mass air flow (MAF) sensor / volume air flow (VAF) sensor --low input====causes --wiring short to ground --MAF/VAF sensor---ECM
you should take it to an accredited service center that has experience on you make of car or you could be wasting money replacing what isn't broke
simple testing will show the faulty item

Definition of Diagnostic Trouble Code C1226 Buick: Right Front Excessive Wheel Speed Variation Cadillac: Right Front Excessive Wheel Speed Variation Chevrolet: Right Front Excessive Wheel Speed Variation Chrysler: Brake Pedal Travel Sensor Circuit Dodge: Brake Pedal Travel Sensor Circuit Ford: Brake warning indicator output short circuit to ground. GMC: Right Front Excessive Wheel Speed Variation Jeep: Brake Pedal Travel Sensor Circuit Lincoln: Brake warning indicator output short circuit to ground. Mazda: Brake warning indicator output short circuit to ground. Mercury: Brake warning indicator output short circuit to ground. Mitsubishi: FR inlet valve Oldsmobile: Right Front Excessive Wheel Speed Variation Pontiac: Right Front Excessive Wheel Speed Variation Saturn: Right Front Excessive Wheel Speed Variation Toyota: Open or short in hydraulic brake booster solenoid circuit (SA2/SPC/SPFR/SPFL/SMV1/SMV2/SBAL)

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Here is a list of possible causes of this fault code.






POSSIBLE CAUSES




• Suction control valve malfunction


• Connector or terminal malfunction


• Short to ground in wiring harness between suction control valve terminal A and PCM terminal 10


• Short to ground in wiring harness between suction control valve terminal B and PCM terminal 29


• Open circuit in wiring harness between suction control valve terminal A and PCM terminal 10


• Open circuit in wiring harness between suction control valve terminal B and PCM terminal 29


• PCM malfunction

code p 0507 refers to idle speed control (ISC) system rpm higher than expected==causes -wiring--ISC actuator/IAC valve --throttle motor -- throttle valve tight / sticking---ECM
it als o refers to idle air control(IAC) system--circuit low===causes --wiring short to ground --IAC valve ---ECM
code p 2767 refers to transmission input shaft speed sensor/turbine shaft speed (TSS) sensor B---no signal===causes --wiring---transmission input shaft speed sensor /TSS sensor

code p 0499 refers to emission evaporative system vent control---circuit high===causes ---wiring short to positive ---EVAP valve
replace the EVAP valve

P0758 Chevrolet P0758 Chevrolet - 2-3 Shift Solenoid Circuit Electrical
Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty 2-3 Shift Solenoid Valve
- 2-3 Shift Solenoid Valve harness or connectors
- 2-3 Shift Solenoid Valve circuit is open or shorted
What does this mean? When is the code detected?
When the Powertrain Control Module (PCM) detects a continuous open, short to ground or short to power in the 2-3 Shift Solenoid (SS) valve circuit, then DTC P0758 sets.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Transmission will not shift gears
P0758 Chevrolet Description
The 2-3 Shift Solenoid (SS) valve controls the fluid flow acting on the 2-3 shift valves. The 2-3 SS valve is a normally-open exhaust valve that is used with the 1-2 SS valve in order to allow four different shifting combinations. The solenoid attaches to the control valve body within the transmission. The Powertrain Control Module (PCM) controls the solenoid by providing the ground path.

Read more: http://engine-codes.com/p0758_chevrolet.html#ixzz3kcwzXFmK

There is a digital stepper motor installed in the idle air control valve and it is operated by the ecm after taking all the outputs from various sensors.
Check engine light error code 33. The idle air control valve circuit open or shorted to ground. There could be three possibilities which can trigger this code and the check engine light comes on.
1. Check the wiring harness for open circuit or short to ground. Check the idle speed control valve connector for looseness,corrosion of poor contacts. Jiggle the harness at various places to find any damaged wire.
2. Idle speed control valve defective. (replace. Merely replacing the electronic part of the valve can also solve the problem)
3. ECM defective. (replace)

P1102O2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1105O2S Heating Circuit Bank 1 Sensor 2 Short To Positive P1107O2S Heating Circuit Bank 2 Sensor 1 Short To Positive P1110O2S Heating Circuit Bank 2 Sensor 2 Short To Positive P1113O2S Sensor Heater Resistance Too High Bank 1 Sensor 1 P1115O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 1
P1116O2S Sensor Heater Circuit Open Bank 1 Sensor 1
P1117O2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
P1118O2S Sensor Heater Circuit Open Bank 1 Sensor 2
P1127Long Term Fuel Trim B1 System Too Rich
P1128Long Term Fuel Trim B1 System Too Lean
P1129Long Term Fuel Trim B2 System Too Rich
P1130Long Term Fuel Trim B2 System Too Lean
P1136Long Term Fuel Trim Add. Fuel B1 System Too Lean
P1137Long Term Fuel Trim Add. Fuel B1 System Too Rich
P1138Long Term Fuel Trim Add. Fuel B2 System Too Lean
P1139Long Term Fuel Trim Add. Fuel B2 System Too Rich
P1141Load Calculation Cross Check Range/Performance
P1144Mass Air Flow Sensor Open/Short To Ground.
P1145Mass Air Flow Sensor Short To Positive.
P1146Mass Air Flow Sensor Supply Voltage.
P1155Manifold Absolute Pressure Sensor Short To Positive.
P1156Manifold Absolute Pressure Sensor Open/Short To Ground. P1157Manifold Absolute Pressure Sensor Supply Voltage.
P1160Intake Air Temperature Sensor Short To Ground.
P1161Intake Air Temperature Sensor Open/Short To Positive. P1162Intake Air Temperature Sensor Short To Ground.
P1163Fuel Temperature Sensor Open/Short To Positive.
P1164Fuel Temperature Sensor Implausible Signal.
P1171Throttle Actuation Potentiometer Sign. 2 Range/Performance P1172Throttle Actuation Potentiometer Sign. 2 Signal Too Low P1173Throttle Actuation Potentiometer Sign. 2 Signal Too High P1176Rear O2S Correction
P1177O2 Correction Behind Catalyst B1 Limit Attained
P1196O2S Heater Circuit Bank 1 Sensor 1 Electrical Malfunction P1197O2S Heater Circuit Bank 2 Sensor 1 Electrical Malfunction P1198O2S Heater Circuit Bank 1 Sensor 2 Electrical Malfunction P1199O2S Heater Circuit Bank 2 Sensor 2 Electrical Malfunction P1213Injector Circuit Cylinder 1 Short To Positive
P1214Injector Circuit Cylinder 2 Short To Positive
P1215Injector Circuit Cylinder 3 Short To Positive
P1216Injector Circuit Cylinder 4 Short To Positive
P1217Injector Circuit Cylinder 5 Short To Positive
P1218Injector Circuit Cylinder 6 Short To Positive
P1225Injector Circuit Cylinder 1 Short To Ground
P1226Injector Circuit Cylinder 2 Short To Ground
P1227Injector Circuit Cylinder 3 Short To Ground
P1228Injector Circuit Cylinder 4 Short To Ground
P1229Injector Circuit Cylinder 5 Short To Ground
P1230Injector Circuit Cylinder 6 Short To Ground
P1237Injector Circuit Open Cylinder 1
P1238Injector Circuit Open Cylinder 2
P1239Injector Circuit Open Cylinder 3
P1240Injector Circuit Open Cylinder 4
P1241Injector Circuit Open Cylinder 5
P1242Injector Circuit Open Cylinder 6
P1245Needle Lift Sensor Short To Ground
P1246Needle Lift Implausible Signal
P1247Needle Lift Sensor Open/Short To Positive
P1248Start Of Cold Start Injector Control Difference
P1251Start Of Cold Start Injector Short To Positive
P1252Start Of Cold Start Injector Open/Short To Ground
P1255Engine Coolant Temperature Sensor Short To Ground
P1256Engine Coolant Temperature Sensor Open/Short To Positive P1300Misfire Detected, Fuel Level Too Low
P1250Fuel Level Too Low P1325Cyl. 1 Knock Control Limit Attained
P1326Cyl. 2 Knock Control Limit Attained
P1327Cyl. 3 Knock Control Limit Attained
P1328Cyl. 4 Knock Control Limit Attained
P1329Cyl. 5 Knock Control Limit Attained
P1330Cyl. 6 Knock Control Limit Attained
P1336Engine Torque Adaption At Limit
P1337CMP Sensor Bank 1 Short To Ground
P1338CMP Sensor Bank 1 Open Circuit Or Short To Positive P1340CKP/CMP Sensor Signals Out Of Sequence
P1341Ignition Coil Output Stage 1 Short To Ground
P1343Ignition Coil Output Stage 2 Short To Ground
P1345Ignition Coil Output Stage 3 Short To Ground
P1354Modulating Piston Displacement Sensor Electrical Circuit Malfunction
P1386Internal Control Module Knock Control Error
P1387Control Unit Internal Altitude Sensor
P1391CMP Sensor Bank 2 Short To Ground
P1392CMP Sensor Bank 2 Open Circuit/Short To Positive
P1393Ignition Coil Power Output Stage 1 Malfunction
P1394Ignition Coil Power Output Stage 2 Malfunction
P1395Ignition Coil Power Output Stage 3 Malfunction
P1401EGR Valve Power Stage Short To Ground
P1402EGR Vacuum Regulator Solenoid Valve Short To Positive P1403EGR System Control Difference
P1407EGR Temperature Sensor Signal Too Low
P1408EGR Temperature Sensor Signal Too High
P1410Tank Ventilation Valve Circuit Short To B+ P1420Secondary Air Injection Control Module Electrical Malfunction P1421Secondary Air Injection Valve Circuit Short To Ground P1422Secondary Air Injection Valve Circuit Short To B+ P1424Secondary Air Injection System Bank 1 Leak Detected P1425Tank Ventilation Valve Short To Ground P1426Tank Ventilation Valve Open Circuit P1432Secondary Air Injection Valve Open P1433Secondary Air Injection Pump Relay Circuit Open P1434Secondary Air Injection Pump Relay Circuit Short To Positive P1435Secondary Air Injection Pump Relay Circuit Short To Ground P1436Secondary Air Injection Pump Relay Circuit Electrical Malfunction P1440EGR Valve Power Stage Open P1441EGR Vacuum Regulator Solenoid Valve Open/Short To Ground P1450Secondary Air Injection System Circuit Short To Positive P1451Secondary Air Injection Circuit Short To Ground P1452Secondary Air Injection System Circuit Open P1471EVAP Control System LDP Circuit Short to Positive P1472EVAP Control System LDP Circuit Short To Ground P1473EVAP Control System LDP Open Circuit P1475EVAP Control System LDP Malfunction/Signal Circuit Open P1476EVAP Control System LDP Malfunction/Insufficient Vacuum P1477EVAP Control System LDP Malfunction P1478EVAP Control System LDP Clamped Tube Detected P1500Fuel Pump Relay Electrical Circuit Malfunction P1501Fuel Pump Relay Circuit Short To Ground P1502Fuel Pump Relay Circuit Short To Positive P1505Closed Throttle Position Does Not Close/Open Circuit P1506Closed Throttle Position Switch Does Not Open./Short To Ground P1512Intake Manifold Changeover Valve Circuit Short To Positive P1515Intake Manifold Changeover Valve Circuit Short To Ground P1516Intake Manifold Changeover Valve Circuit Open P1519Intake Camshaft Control Bank 1 Malfunction P1522Intake Camshaft Control Bank 2 Malfunction P1537Fuel Cut-off Valve Incorrect Function P1538Fuel Cut-off Valve Open/Short To Ground P1539Clutch Pedal Switch Signal Fault P1540VSS Signal Too High P1541Fuel Pump Relay Circuit Open P1542Throttle Actuation Potentiometer Range/Performance P1543Throttle Actuation Potentiometer Signal Too Low P1544Throttle Actuation Potentiometer Signal Too High
P1545Throttle Position Control Malfunction P1546Wastegate Bypass Regulator Valve Short To Positive P1547Wastegate Bypass Regulator Valve Short To Ground P1548Wastegate Bypass Regulator Valve Open P1549Wastegate Bypass Regulator Valve Open/Short To Ground P1550Charge Pressure Control Difference P1555Charge Pressure Upper Limit Exceeded P1556Charge Pressure Negative Deviation P1557Charge Pressure Positive Deviation P1558Throttle Actuator Electrical Malfunction P1559Idle Speed Control Throttle Position Adaption Malfunction P1560Maximum Engine Speed Exceeded P1561Quantity Adjuster Control Difference P1562Quantity Adjuster Upper Stop Value P1563Quantity Adjuster Lower Stop Value P1564Idle Speed Control Throttle Position Low Voltage During Adaption P1565Idle Speed Control Throttle Position Lower Limit Not Obtained P1568Idle Speed Control Throttle Position Mechanical Malfunction P1569Switch For CCS Signal Faulty P1580Throttle Actuator B1 Malfunction P1582Idle Adaptation At Limit P1600Power Supply Terminal No. 15 Low Voltage P1602Power Supply Terminal No. 30 Low Voltage P1603Internal Control Module Self Check P1606Rough Road Spec. Engine Torque ABS-ECU Electrical Malfunction P1611MIL Call-Up Circuit/TCM Short To Ground P1612Engine Control Module Incorrect Coding
P1613MIL Call-Up Circuit Open/Short To Positive P1616Glow Plug Indicator Lamp Short To Positive P1617Glow Plug Indicator Lamp Open/Short To Ground P1618Glow Plug Relay Short To Positive P1619Glow Plug Relay Open/Short To Ground P1624MIL Request Signal Active P1626Data Bus Drive Missing Command From M/T P1630Accelerator Pedal Position Sensor 1 Signal Too Low P1631Accelerator Pedal Position Sensor 1 Signal Too High P1632Accelerator Pedal Position Sensor 1/2 Supply Voltage P1633Accelerator Pedal Position Sensor 2 Signal Too Low P1634Accelerator Pedal Position Sensor 2 Signal Too High P1639Accelerator Pedal Position Sensor 1/2 Range Performance P1640Internal Control Module (EEPROM) Error P1648CAN-Bus System Component Failure P1649Data Bus Powertrain Missing Message From Brake Controller P1676Drive By Wire MIL Circuit Electrical Malfunction P1677Drive By Wire MIL Circuit Short To Positive P1678Drive By Wire MIL Circuit Short To Ground P1679Drive By Wire MIL Circuit Open Circuit P1681Control Module Programming Not Finished P1686Control Unit Error, Programming Error P1690MIL Malfunction P1691MIL Open Circuit P1692MIL Short To Ground P1693MIL Short To Positive P1778Solenoid EV7 Electrical Malfunction P1780Engine Intervention Readable P1851Data Bus Drive Missing Command From ABS P1854Drive Train CAN-Bus Inoperative

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